Quotulatiousness

August 31, 2012

Innovative ways to use huge surplus of beetle-blighted lumber

Filed under: Cancon, Environment, Technology — Tags: , , , — Nicholas @ 09:07

British Columbia has a problem with their trees: too many of them are dead due to a massive increase in the population of the mountain pine beetle. The province is searching for ways to cope with the lumber from all the beetle-killed trees:

When life hands you lemons, goes the old saw, make lemonade. But what if life should hand you 18m hectares (44m acres) of dead trees? That is the problem faced by the province of British Columbia in Canada, which could lose over half its pine trees to the depredations of the fearsome mountain pine beetle. The beetle, no bigger than a grain of rice, is native to the forests of Western North America, where it kills trees by releasing a blue stain fungus that prevents the flow of water and nutrients. While the insect was historically kept in check by spells of cold weather, years of mild winters have unleashed an outbreak whose spread and severity is unlike anything seen previously.

As a result, the province is peppered with billions of dead, grey trees. If they are simply left standing, they will eventually either decay or burn in forest fires. In either case, they will release the carbon dioxide they stored while growing, swelling Canada’s total carbon footprint from 2000 to 2020 by 2%.

[. . .]

Canadian researchers have discovered other uses for BKP. Sorin Pasca, a graduate student at the University of Northern British Columbia, found that rain and snow conveniently wash out sugars and other organic compounds from dead pine trees. By grinding up the dry BKP and adding it to normal cement, he created a hybrid material that is waterproof, fire-resistant and pourable like concrete but that can be worked, cut and nailed or drilled like wood. The material, dubbed Beetlecrete, has already been used to make countertops, benches and planters.

Even more esoteric uses for BKP are on the table. Nanocrystalline cellulose, made up of microscopic needle-like fibres, is a lightweight, ultra-rigid material that can be extracted from wood pulp. Currently used to improve the durability of paints and varnishes, nanocrystalline cellulose promises strong, iridescent films that may find uses in industries ranging from optical computing to cosmetics. And, as a last resort, dead and fallen pine trees can feed British Columbia’s 800MW of bio-mass power plants, which burn pellets of BKP and other waste wood to generate electricity.

August 27, 2012

Lego is 80 years old

Filed under: Business, Europe, History — Tags: , , , — Nicholas @ 10:28

In The Register, Brid-Aine Parnell on the 80th birthday of one of the iconic toys of the 20th century:

Way back in 1932, Ole Kirk Kristiansen, a Danish joiner and carpenter, found he wasn’t making enough money from carpentry anymore and decided to try making and selling wooden toys instead. Although he didn’t know it yet, he was on his way to building the Lego company, which would eventually have some of the most recognisable and long-lasting toys in the world: bricks and yellow minifigurines.

[. . .]

According to that research, girls aren’t into Lego. Poul Schou, senior vice president of product group 2, told The Register that Lego was for boys, not girls, because although both sexes loved the larger preschool bricks of Duplo once the girls hit five, they weren’t interested in construction anymore.

“We have seen that girls seem to be less interested in continuing with our products when they get to four or five years old so we don’t really get them into the Lego system,” he said.

Here at Vulture Central, that seemed really odd. Not only did everyone in the office, regardless of gender, remember playing with and loving Lego throughout their childhood, for the most part, their kids, both boys and girls, love it as well.

[. . .]

Schou said that the company got “a lot of feedback from boys and girls”. The kids are encouraged to go online to talk about the products they buy and what age they are, and the boxes often include incentives to answer Lego survey questions as well.

Of course if girls aren’t buying Lego stuff, they won’t be answering any questions, which would be a kind of answer in itself (although whether the answer would be “Girls don’t like Lego” or “Girls don’t like surveys” would be hard to figure out).

Finland and the dangers of being a company town

Filed under: Business, Economics, Europe — Tags: , , , , , — Nicholas @ 09:09

I had no idea that Finland’s economy was so tightly tied to the fortunes of Nokia:

Nokia contributed a quarter of Finnish growth from 1998 to 2007, according to figures from the Research Institute of the Finnish Economy (ETLA). Over the same period, the mobile-phone manufacturer’s spending on research and development made up 30% of the country’s total, and it generated nearly a fifth of Finland’s exports. In the decade to 2007, Nokia was sometimes paying as much as 23% of all Finnish corporation tax. No wonder that a decline in its fortunes — Nokia’s share price has fallen by 90% since 2007, thanks partly to Apple’s ascent — has clouded Finland’s outlook.

[. . .]

Strip these sorts of firms from the list and only one resembles Nokia: Taiwan’s Hon Hai, an electronics manufacturer. Yet Nokia made 27% of Finnish patent applications last year; the corresponding figure for Hon Hai was 8%. Although numbers are falling, Finland is home to the greatest number of Nokia employees; Hon Hai’s staff is mostly in China. It is a similar story with other firms. Sales of Nestlé, a consumer-goods company, weigh in at 15% of Swiss GDP but its share of Swiss jobs is punier than Nokia’s in Finland. Samsung, whose revenues are twice Nokia’s, has half its clout as a share of GDP: South Korea’s economy is more diversified. The importance of Nokia to Finland looks like a one-off.

August 19, 2012

ESR on the limits of “lawfare” for Apple

Filed under: Business, Law, Technology — Tags: , , , , , , — Nicholas @ 15:56

To put it mildly, ESR isn’t a fan of Apple’s lawfare approach to competition:

It’s beginning to look like Apple’s legal offensive against Android might backfire on it big-time. Comes the news that Judge Koh has declined to suppress evidence that Apple may have copied crucial elements of the iPad design from prototypes developed by Knight-Ridder and the University of Missouri in the mid-1990s.

Those of us aware enough of computing history to be aware of early work by XEROX PARC and others have always been aware that Apple’s claims of originality were highly dubious. Apple’s history is one of adroit marketing and a facility for stealing adapting ideas from others, wrapping them in admittedly excellent industrial design, and then pretending that all of it originated de novo from the Cupertino campus.

The pretense has always galled a little, especially when Apple’s marketing created a myth that, footling technical details aside, the whole package somehow sprang like Athena from Steve Jobs’s forehead. But it didn’t become intolerable until Apple began using lawfare to suppress its competition.

The trouble with this is that there’s actually a lot of prior art out there. I myself saw and handled a Sharp tablet anticipating important iPhone/iPad design tropes two years before the uPhone launch, back in 2005; the Danger hiptop (aka T-Mobile Sidekick) anticipated the iPhone’s leveraging of what we’d now call “cloud services” in 2002-2003; and of course there’s the the Sony design study from 2006, described by one of Apple’s own designers as an important influence.

If only Apple were honest about what it owed others…but that cannot be, because the company’s strategy has come to depend on using junk patents in attempts to lock competitors out of its markets.

August 12, 2012

The (long awaited) growth in Indian manufacturing

Filed under: Business, Germany, History, India, Technology — Tags: , , , , , — Nicholas @ 08:59

The Economist on the relatively slow development of India’s manufacturing sector:

If India is to become “the next China” — a manufacturing powerhouse — it is taking its time about it. “We have to industrialise India, and as rapidly as possible,” said the country’s first prime minister, Jawaharlal Nehru, in 1951. Politicians have tried everything since, including Soviet-style planning. But India seems to prefer growing crops and selling services to making things you can drop on your foot.

Manufacturing is still just 15% of output (see chart), far below Asian norms. India needs a big manufacturing base. No major country has grown rich without one and nothing else is likely to absorb the labour of the 250m youngsters set to reach working age in the next 15 years. But it can seem a remote prospect. In July power cuts plunged an area in which over 600m people live into darkness, reminding investors that India’s infrastructure is not wholly reliable. And workers boiled over at a car factory run by Maruti Suzuki. Almost 100 people were injured and the plant was torched. The charred body of a human-resources chief was found in the ashes.

Yet not all is farce and tragedy. Take Pune in west India, a booming industrial hub that has won the steely hearts of Germany’s car firms. Inside a $700m Volkswagen plant on the city’s outskirts, laser-wielding robots test car frames’ dimensions and a giant conveyor belt slips by, with sprung-wood surfaces to protect workers’ knees. It is “probably the cheapest factory we have worldwide”, says John Chacko, VW’s boss in India. In time it could become an export hub. Nearby, in the distance it takes a Polo to get to 60mph, is a plant owned by Mercedes-Benz.

The initial demand for a domestic manufacturing base was more political than economic: it would serve to reinforce the newly won independence of India by showing that India could make its own goods rather than importing from the UK or other major manufacturing nations. It was also economic, in that it would provide relatively high-paying jobs for India’s rapidly urbanizing population.

Ironically, now that the manufacturing sector seems to be on the upswing, the one thing it isn’t going to do for India is provide lots and lots of jobs: as with the rest of the world, manufacturing “things” is being done with fewer workers every year (even when the total output increases, fewer workers are needed to produce that output).

August 10, 2012

For you, is no Singularity

Filed under: Science, Technology — Tags: , , , , — Nicholas @ 11:25

Charles Stross linked to this article which points out that we’re not likely to experience the Singularity/Rapture of the Nerds/etc., and for good reasons:

Given that you are tech-savvy, by that point you have almost certainly come across the idea of the Singularity [1] as defended by futurists like Ray Kurzweil and Vernor Vinge. As a reminder, it is the notion that, when we are at last able to compile a smarter-than-human artificial intelligence, this AI will in turn manage to improve its own design, and so on, resulting in an out-of control loop of “intelligence explosion” [2] with unpredictable technological consequences. (singularists go on to predict that after this happens we will merge with machines, live forever, upload our minds into computers, etc).

What’s more, this seemingly far-future revolution would happen within just a few decades (2040 is often mentioned), due to the “exponential” rate of progress of science. That this deadline would arrive just in time to save the proponents of the Singularity from old age is just a weird coincidence that ought to be ignored.

Objection, your honor. As a scientist, I find the claim that scientific progress is exponential to be extremely dubious. If I look at my own field, or at any field that I am vaguely familiar with, I observe roughly linear progress — a rate that has typically been going on since as far back as the field’s foundation. “Exponential progress” claims are usually supported by the most bogus metrics, such as the number of US patents filled per year [3] (essentially a fashion utterly decorrelated from scientific progress).

And as somebody who does AI research, I find the notion of “intelligence explosion” to make exactly zero sense, for reasons reaching back to the very definition of intelligence. But I am not going to argue about that right now, as isn’t even necessary to invalidate the notion of the Singularity.

August 8, 2012

Sometimes simulation isn’t close enough to reality

Filed under: History, Military, Technology, Weapons, WW1 — Tags: , — Nicholas @ 08:06

The military depends on accurate simulations to train troops, to develop new weapons, and to find ways to counteract military developments in potential enemy forces. It’s obvious that the quality of your simulation is very important, but sometimes the assumptions made in those simulations are quite at odds with the reality they’re supposed to be mimicking:

Increasingly, over the last half century, there has been a culture clash among weapons developers over how to test the new stuff. The problem revolves around the question of what is the most realistic reality. Put another way, how do you go about providing really accurate testing of what the new weapon will do when encountering a real opponent.

The problem is an ancient one, but let us keep the examples less than a century old. At the start of World War I in 1914 there were two types of artillery shells. One was high explosive. The other, more expensive to build and theoretically more effective, was shrapnel. This type was like a shotgun shell. It exploded in the air and sprayed the ground below with metal balls. Tests had shown that these balls would penetrate wood boards set up to represent troops. Because of the expense, less than half the shells used were shrapnel. The need for more artillery shells and the high cost of shrapnel shell led to it being largely replaced by the less effective high-explosive.

Later came a startling revelation. In the 1930s a group of American technicians were setting up some shrapnel shells for a test and one shell exploded prematurely, peppering some of the people with the “lethal” metal balls. They all survived. Further investigation revealed that human skin, muscle and bone were far more resistant to the metal balls than wood boards. World War I combat surgeons, when questioned, remembered that they had never seen a penetration wound caused by shrapnel balls. There has never been much official note made of this very humane weapon during, or after war.

August 3, 2012

How “you didn’t build that” strikes at “Bourgeois Dignity”

Filed under: Books, Business, Economics, Liberty, Politics — Tags: , , , — Nicholas @ 00:05

Virginia Postrel explains why President Obama’s “you didn’t build that” gaffe has lasted so long when usually politicians’ gaffes barely last a single news cycle, by outlining the arguments of a recent book by Dierdre N. McCloskey:

The president’s sermon struck a nerve in part because it marked a sharp departure from the traditional Democratic criticism of financiers and big corporations, instead hectoring the people who own dry cleaners and nail salons, car repair shops and restaurants — Main Street, not Wall Street. (Obama did work in a swipe at Internet businesses.) The president didn’t simply argue for higher taxes as a measure of fiscal responsibility or egalitarian fairness. He went after bourgeois dignity.

“Bourgeois Dignity” is both the title of a recent book by the economic historian Deirdre N. McCloskey and, she argues, the attitude that accounts for the biggest story in economic history: the explosion of growth that took northern Europeans and eventually the world from living on about $3 a day, give or take a dollar or two (in today’s buying power), to the current global average of $30 — and much higher in developed nations. (McCloskey’s touchstone is Norway’s $137 a day, second only to tiny Luxembourg’s.)

That change, she argues, is way too big to be explained by normal economic behavior, however rational, disciplined or efficient. Hence the book’s subtitle: “Why Economics Can’t Explain the Modern World.”

[. . .]

McCloskey’s explanation is that people changed the way they thought, wrote and spoke about economic activity. “In the eighteenth and nineteenth centuries,” she writes, “a great shift occurred in what Alexis de Tocqueville called ‘habits of the mind’ — or more exactly, habits of the lip. People stopped sneering at market innovativeness and other bourgeois virtues.” As attitudes changed, so did behavior, leading to more than two centuries of constant innovation and rising living standards.

I’ve read McCloskey’s book and plan on reading the next one too. Earlier mentions of Bourgeois Dignity are here and here.

July 30, 2012

Mongolian eco-toilet scheme quietly closed down

Filed under: Asia, Environment, Health, Technology — Tags: , , — Nicholas @ 14:38

From the Guardian:

The ecological toilets installed at Daxing were the design of Sweden’s Stockholm Environment Institute — about five million people use the model worldwide. In China, they are manufactured in the south-coast city of Chaozhou and cost about 700 or 800 yuan (US$100-125). Unlike normal toilets, they separate urine and excrement. In short, you aim your urine at the urine bowl and it is piped to an underground storage tank. And when you sit down, an excrement receptacle automatically pops out. You pull a lever to sprinkle some sawdust over your waste, and then when you stand up it flips over and everything is dumped down an excrement pipe to a tank in the basement. The tank is emptied two or three times monthly.

No water is used for flushing in either case — the cistern is full of sawdust, which residents collect from an office on-site. The toilets are designed to save water, prevent odours, and turn excrement into fertiliser. Fans blow air out of the pipes to the roof, and this is meant to ensure that smells do not enter the apartments.

Yan’s family just couldn’t get used to it. The toilet smelled bad from day one, they said: there was a stench of ammonia throughout the house, sometimes enough to make their eyes water as soon as they stepped into the bathroom. “I could hardly eat at home, and felt miserable on my way back after work,” said Yan. So the family usually ended up eating at Yan’s sister’s house. And their relatives didn’t want to visit.

The excrement bowls, which need to rotate, started to break. Every single house had to have the bowls repaired, and in 60% of households they needed to be replaced frequently. In 2007, Yan’s toilet was changed for one with a retractable tray, but the smells didn’t improve.

QotD: Playing “The Last Post” over the notion of Apple’s innovation

Filed under: Business, Quotations, Technology — Tags: , , , , — Nicholas @ 00:02

This isn’t speculation — an Apple employee copied Sony’s design, circulated it to his bosses, and testified to these facts in court.

From now on, when anyone heaps phrase on Apple’s design excellence and superlative innovation, just point and laugh. Some of us have been saying for years that what Apple is really good at is ripping off other peoples’ ideas and stealing the credit for them with slick marketing. This, right here, is the proof.

Eric S. Raymond, “The Smartphone Wars: The iPhone Design Was Inspired by Sony”, Armed and Dangerous, 2012-07-29

July 27, 2012

US admiral calls for more “trucks” and fewer “limousines”

Filed under: Military, Technology, USA — Tags: , , , , — Nicholas @ 09:06

The Economist reports on a recent article in the US Naval Institute’s Proceedings by Admiral Jonathan Greenert, chief of naval operations:

The “luxury-car” platforms designed in the last days of the cold war (and which still dominate much military procurement) have not adapted well to changes in security and technology, he says. Such platforms must always carry the sophisticated equipment to defeat a sophisticated foe. Yet much of this may be irrelevant to the navy’s typical missions in the past 20 years: counter-terrorism, anti-piracy, mine-clearing, maritime patrolling and carrier operations in support of counter-insurgency campaigns in Iraq and Afghanistan.

Given the cost of building new platforms and the need to keep them in service for 30 to 50 years or even longer, Admiral Greenert wants them to be more like “trucks”: with plenty of space and power to accommodate different payloads. Some of the Pentagon’s oldest platforms have turned out to be much better trucks than their successors.

Because of its sheer size, its reserve electrical power and its small number of integral systems, at least compared with newer aircraft-carriers, the 50-year-old USS Enterprise has proved more adaptable than modern, densely packed designs. Unlike them, it has the space, storage and power-generating capacity to carry new aircraft types and new systems.

The same is true of the stalwart B-52 bomber. It first flew 60 years ago. It is now expected to stay in service until 2045. Conceived as a strategic bomber after the second world war, it has been recast many times. It is now proving to be a cost-effective platform for the latest precision-guided “stand-off” weapons (meaning those fired from afar). It is also more dependable than any of its more advanced successors.

Another advantage of high-tech payloads over platforms stems from Moore’s law: the doubling of computer-chip speed every two years or less. This embarrasses military planners. Even their latest and fabulously expensive equipment often lacks the processing power of cheap consumer gadgets. It takes at least 15 years to bring a new ship or aircraft from design to completion. That can be eight or more cycles of Moore’s law.

July 18, 2012

What is the best way to demonstrate care for the future?

Filed under: Economics, Environment, Government — Tags: , , , — Nicholas @ 08:29

According to Steven Landsburg, the answer is to cut capital taxes, and he makes a good case:

There are only three things you and I can do to make the future world a better place. First, we can consume less, leaving more resources behind. Second, we can work harder, planting trees, building factories and writing poems that will live on after we’re gone. Third, we can innovate, advancing science and technology so that our children’s children’s children can make better use of the resources they inherit.

As it happens, there’s one key policy variable that drives all three of these things, and that’s the tax rate on capital income (which includes interest, dividends, corporate income and capital gains). Capital taxes are a disincentive to save, and when people don’t save they consume instead. Capital taxes are a disincentive to work and a disincentive to innovate.

This is not a plea for lowering taxes in general, and it’s not a plea for making the tax system either more or less progressive. (If you want to soak the rich, there are plenty of things to tax besides capital.) As a matter of fact, this isn’t even a plea for lowering taxes on capital. It’s simply an observation that if your goal is to leave a better world for our descendants, then your best bet is to support lower capital taxes.

H/T to Tim Harford for the link.

June 25, 2012

No innovation can survive the bureaucratic process

Filed under: Bureaucracy, Cancon, Government — Tags: , , — Nicholas @ 10:44

A story that won’t surprise anyone who has ever worked in a large bureaucracy is still eye opening — even Scott Adams’ Dilbert characters have it easier to get their suggestions implemented:

It was the summer of 2010, and the Treasury Board Secretariat (TBS) was about to launch the Employee Innovation Program — kind of like the employee suggestion drop box by the water cooler.

Except, nothing like it at all, as TBS employee Anna Bevilacqua was about to discover.

[. . .]

The employees who answered the call for creativity had to follow several rules, including: An employee could not make a suggestion without his or her boss’ approval; and proposals that might lead to a change in TBS policy would be rejected.

Managers tracked the proposals using a spreadsheet that noted the date and exact time a proposal was received, whether an individual or team of workers made the submission and the date it was received by a committee of three TBS managers.

The program designed to cut waste was taking shape. A bloated, forbidding shape.

[. . .]

Four managers formed a “Sub-Committee for Initial Triage” to conduct a “pre-screening” of the proposals. The selection process would be guided by a flow chart with text inside parallelograms and rectangles connected by arrows.

[. . .]

Bevilacqua needed to complete an “implementation framework” document. If she failed to “clearly define objectives, benefits, deliverables, exclusions, assumptions, responsibilities, estimated costs and timelines,” if her plan did not identify possible “slippage in target dates,” if it did not use a “risk log” or a “risk mapping approach,” it could die in Phase Two.

She and the other applicants were warned: “A wrong plan is worse than having no plan at all.”

[. . .]

The vetting and revising and perfecting continued. Each surviving proposal was screened by the Treasury Board’s chief information officer, deputy chief financial officer and chief financial officer.

[. . .]

The months of meetings, memos and emails confirmed her idea was a no-brainer. Her plan would be put into action.

A congratulatory note was vetted by three people before it was sent to her.

Then, the extensive trail of TBS paper — nearly 550 pages obtained by the Star through Access to Information legislation — ends in late 2010.

The employee who suggested this had already retired before the suggestion was implemented — and it was implemented outside the suggestion program anyway. The final line of the article sums it up perfectly: “Not one employee has received a cash award.”

H/T to Andrew Coyne:

https://twitter.com/acoyne/statuses/217238022482169857

May 24, 2012

Losing big to (potentially) win small

Filed under: Law, Technology — Tags: , , , , — Nicholas @ 07:50

ESR on what might be the “beginning of the end” for patent warfare:

It’s all over the net today. As I repeatedly predicted, the patent claims in the Oracle-vs.-Java lawsuit over Android have completely fizzled. Oracle’s only shred of hope at this point is that Judge Alsup will rule that APIs can be copyrighted, and given the extent of cluefulness Alsup has displayed (he mentioned in court having done some programming himself) this seems rather unlikely.

Copyright damages, if any, will almost certainly be limited to statutory levels. There is no longer a plausible scenario in which Oracle gets a slice of Android’s profits or an injunction against Android devices shipping.

This makes Oracle’s lawsuit a spectacular failure. The $300,000 they might get for statutory damages is nothing compared to the huge amounts of money they’ve sunk into this trial, and they’re not even likely to get that. In effect, Oracle has burned up millions of dollars in lawyers’ fees to look like a laughingstock.

Of course, even if this is the beginning of the end, there will be lots of lawyers encouraging their clients to go down this route, as even if it’s not successful, it can be a very lucrative journey for the lawyers.

May 16, 2012

Disruptive technologies and naval warfare

Filed under: Military, Technology — Tags: , , — Nicholas @ 09:28

Naval warfare has seen several revolutions as new technology disrupts the status quo. The pace of innovation has meant shorter spans of time between revolutionary developments, and this is a serious problem for naval powers as ships take so long to build and have to serve for lengthy periods of time.

Last year, I posted an article about how the Royal Navy had attempted to ride the technological changes during the Victorian era, with varying levels of success:

Fifty years later, the stasis is being broken technologically. Wind power is giving way to steam. Solid shell cannon are starting to give way to both larger and more complex weapons. Iron is starting to supplant oak as the material of choice for shipbuilding. The renowned duel between USS Monitor and CSS Virginia (formerly the USS Merrimac) sets all the major navies of the world busy considering how to protect their existing fleets and merchant vessels against the new threat of the ironclad.

The English government is suddenly faced with the stark reality that their entire fleet has become or is about to become obsolete. Neither Monitor nor Virginia are ocean-going ships, but the message is clear that no wooden vessel has a prayer of survival against the modern steam-powered ironclad. And even the greatest economic power in the world can’t replace an entire fleet overnight.

The Admiralty couldn’t depend on past experience for guidance, as everything they’d done for hundreds of years was now undecided: what kind of ships do you need to build? How will they be armed? How will they be armoured? How will they be propelled? Bureaucracies are, by nature, not well equipped to face challenges like this. The Royal Navy, from the late 1860′s until the late 1880′s struggled with finding the correct answer, or combination of answers, to meet the needs of the day.

It’s not just a single change — like the switch from sail to steam power — it’s multiple changes, each with their own array of materials, training, support, and maintenance changes that force organizations to adapt. This runs directly into the problem that it takes years to design, build, arm, equip, and crew a new ship. The pace of change was so brisk in that period that ships could literally be obsolete before they were commissioned into the fleet. And bureaucracies are by their very nature, ill-suited to cope with disruptive change: they thrive on routine and predictability.

Today, the US Navy finds itself in the same relative situation as the Royal Navy of Queen Victoria: the most powerful fleet in the world, but facing uncertainty due to technological changes. Strategy Page has a brief run-down of the potentially disruptive developments we may see in the near future:

The 21st century is barely underway, and much unknown technology is yet to be invented. Many of the key warship technologies were unknown in 1912. But we can already see some new stuff which is leading revolutionary changes in how navies will operate this century. Here some of the more obvious ones.

Unmanned vehicles. Unlike aircraft, which were a new vehicle, UAVs (Unmanned Aerial Vehicles), UUVs (Unmanned Underwater Vehicles) and USVs (Unmanned Surface Vehicles) are radically new technologies. There are already examples of all three in service. There will be more and they will change everything by incorporating more powerful AI and new weapons. That said, UUVs were first developed in the 19th century (the modern torpedo) and 20th (guided missiles). But these two weapons were not flexible enough to change as many aspects of naval warfare as unmanned vehicles will be doing.

Super Sensors. Sonar (using sound to detect objects underwater) appeared during World War I (1914-18) while radar (using radio signals to detect objects in the air) was developed during the 1930s and widely used during World War II (1939-45). Widely recognized as the first electronic sensors (although the earliest sonars were all-acoustic), their 21st century descendants are much more capable. More powerful computers and transmitting technology has since produced several generations of cheaper, more reliable and more powerful sensors. This is continuing and the power of new sensors will make it much more difficult to hide. Stealth is still important for spoiling the aim of long range guided weapons. But the super sensors make it much more difficult to achieve surprise by coming out of nowhere.

Other items on this list include artificial intelligence (AI), all-electric ships, stealth technology, networking, composite materials, space-based services, nanotech, and laser weapons. Lots of ways for admirals to lose sleep over the next few years.

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