Quotulatiousness

July 28, 2011

F-22 fleet still grounded due to pilot oxygen supply problems

Filed under: Military, Technology, USA — Tags: , , , , — Nicholas @ 12:08

Earlier this month, I linked to an article about the F-22 oxygen problems. According to Strategy Page, the problem still has not been resolved:

The U.S. Air Force is making some progress in finding out what is wrong with their F-22s. It appears that some toxins are somehow getting into the pilot’s air supply. This has kept all 168 F-22s grounded for three months, so far. Despite the new findings, the air force still has not nailed down the exact cause of the problem, much less fixed it. The U.S. Navy had a similar problem with its F-18s (there were 64 incidents between 2002-9, resulting in two dead pilots). The navy found that the problem was carbon monoxide getting sucked into the aircraft air system (which the navy modified, eliminating the problem). The air force is looking into the navy experience with these similar problems, to see if there is anything similar going on with the F-22s.

First F-35C catapult launch

Filed under: Military, Technology, USA — Tags: , , , — Nicholas @ 09:18

Lewis Page has more:

The test launch took place on the landbased steam catapult at US Naval Air Station Lakehurst (also the location of a prototype electromagnetic one of the type the Royal Navy will be compelled to use).

The F-35C is intended to operate from the catapult-equipped fleet carriers of the US Navy and will equip the Royal Navy and the RAF too. The jumpjet F-35B (formerly the chosen British model) will now be delivered only to the US Marines to begin with. The F-35A version, intended for ordinary landbased runway operations, will serve with the US Air Force and many allied nations.

Signalling failure blamed for high speed rail crash

Filed under: China, Media, Technology — Tags: , , , — Nicholas @ 08:32

This sounds a bit fishy, as this kind of error has been known in railway signal systems for over 100 years: signals that fail to show stop as a default whenever power is lost:

After it was struck by lightning, the signaling device at the Wenzhou South railway station malfunctioned and failed to turn from green to red, An Lusheng, chief of the Shanghai Railway Bureau, told the news agency. He also said workers on duty were inadequately trained and failed to notice the malfunction.

Xinhua’s report, the first official explanation of the cause of the crash, raised further questions about China’s high-speed rail system, one of the world’s largest and most costly public works projects. The accident occurred when one high-speed train rear-ended another that had stalled on the tracks near Wenzhou in Zhejiang Province. High-speed rail has an excellent safety record elsewhere, especially in Japan, which has never had a fatality.

Chinese have flooded microblogging sites with furious complaints about breakneck development without heed to safety. Many also expressed fears of a cover-up, especially after reports that one train car was buried at the site despite the ongoing investigation and only later excavated.

July 27, 2011

US Navy’s (small) death ray/machine gun mounts

Filed under: Military, Technology, USA, Weapons — Tags: , — Nicholas @ 07:36

Lewis Page reports on the latest bit of weaponry being added to US Navy ships:

US Navy warships will soon be equipped with fearful combination weapons mounts boasting both heavy machine-guns and high powered laser rayguns, it has been announced.

Manufacturer Boeing says it has inked a teaming agreement with the US operations of arms globo-mammoth BAE Systems to build the Mk 38 Mod 2 Tactical Laser System to naval requirements. We learn that the new raygun installation will be based on the existing Mk 38 Machine Gun System, a robotic gun turret whose primary punch is provided by the fearsome M242 Bushmaster Chain Gun, effectively a light auto-cannon.

[. . .]

We aren’t told the power level offered by the laser, which suggests that it isn’t very high: raygun projects always like to boast of any decent power level. The fact that the laser is small enough to be clipped onto an existing weapon also suggests light weight and limited puissance, as does the suggestion that it is an alternative to the Bushmaster rather than a replacement for it.

MS-DOS at thirty

Filed under: History, Technology — Tags: , , — Nicholas @ 07:25

It was indeed, according to The Register, thirty years ago that MS-DOS hit the market:

MS-DOS is 30 years old today. Well, kind of. On 27 July 1981, Microsoft gave the name MS-DOS to the disk operating system it acquired on that day from Seattle Computer Products (SCP), a hardware company owned and run by a fellow called Rod Brock.

SCP developed what it at various times called QDOS and 86-DOS to run on a CPU card it had built based on Intel’s 8086 processor.

July 26, 2011

Chinese government announces safety review after high speed rail crash

Filed under: Bureaucracy, China, Media, Technology — Tags: , , , , — Nicholas @ 09:01

In the wake of the deadly collision between two high speed trains, China announced a safety review of the high speed railway system:

Mr Sheng said railway officials would be deployed at frontline rail operations across the country to overhaul maintenance standards and checks on power connections to pre-empt outages.

All local railway bureaux were to draw lessons from the accident, a statement on the railways department website said.

Public fury and scepticism have been expressed in China’s blogosphere, both about the death toll of 39 people — suggesting it is too low — and the safety of China’s rail network.

State newspapers have also expressed concern. The Global Times ran a headline: Anger mounts at lack of answers.

“As the world is experiencing globalisation and integration, why can’t China provide the same safety to its people?” an editorial read.

July 25, 2011

More on that Chinese rail crash

Filed under: China, Government, Media, Technology — Tags: , , , — Nicholas @ 12:49

The official story has changed a few times since the accident, and at least some Chinese feel they are entitled to the truth about the accident:

Internet users attacked the government’s response to the disaster after authorities muzzled media coverage and urged reporters to focus on rescue efforts. “We have the right to know the truth!” wrote one microblogger called kangfu xiaodingdang. “That’s our basic right!”

Leaked propaganda directives ordered journalists not to investigate the causes and footage emerged of bulldozers shovelling dirt over carriages.

Wang, the railways spokesman, said no one could or would bury the story. He said a colleague told him the wreckage was needed to fill in a muddy ditch to make rescue efforts easier.

But Hong Kong University’s China Media Project said propaganda authorities have ordered media not to send reporters to the scene, not to report too frequently and not to link the story to high-speed rail development. “There must be no seeking after the causes [of the accident], rather, statements from authoritative departments must be followed,” said one directive. Another ordered: “No calling into doubt, no development [of further issues], no speculation, and no dissemination [of such things] on personal microblogs!”

Electronic weapons to destroy other electronics

Filed under: China, Military, Technology, Weapons — Tags: , — Nicholas @ 12:05

Strategy Page looks at some interesting developments in the electronic weapons area:

A U.S. government report (from the National Ground Intelligence Center) indicates that China has developed useful weapons for disabling the electronics on American aircraft and warships. This is done using high-powered microwave (HPM) devices to create something like the EMP (Electromagnetic Pulse) put out by nuclear weapons, which damaged or destroys microelectronics.

[. . .]

Then there’s the EMP bomb, a legendary weapon that is much talked about, but has never actually been seen. Throughout the 1990s, information came out of Russia that a weapon had been developed that could generate a short range EMP (electromagnetic pulse) similar to that created by nuclear explosions. All computers within the range of the EMP bomb would be ruined. This is a truly devastating capability. Microprocessors are found everywhere these days; in automobiles, appliances, industrial equipment, medical devices and many other devices. Military microprocessors are often shielded to protect them against EMP, but the shielding is not thoroughly tested and even some military equipment will probably be disabled by an EMP attack.

A decade ago, a British military research team announced that they had duplicated the rumored Russian device and produced an EMP bomb that can fit in a 155mm artillery shell, small rockets or bombs. Such a device was supposed to be inexpensive and could be used to destroy civilian electronics that might be useful to nearby enemy troops. What is particularly worrisome about this new development is that, in the hands of terrorists, it could do a new kind of damage. While not killing people directly, the destruction of all electronics within an urban area could cause casualties and much economic loss. But none of these EMP bombs has ever actually reached the stage where they were actually ready to use. There was always some kind of flaw discovered in testing. Naturally, China is thought to have developed an EMP bomb.

Unique view of the shuttle cockpit

Filed under: Space, Technology, USA — Tags: , , — Nicholas @ 10:05


Click to embiggen

Link provided by Chris Greaves.

Update: There’s a big comment on this shuttle post from Chris Taylor, discussing what the shuttle was originally intended to be, and why it ended up being significantly larger and more expensive than the first proposal.

July 24, 2011

Farewell Space Shuttle . . . you massive boondoggle

Filed under: Bureaucracy, Space, Technology — Tags: , , , — Nicholas @ 12:25

I’ve been ambivalent about the space shuttle program for decades — not because I’m anti-space, but because I think the shuttle was government methadone to replace a real space program. At that, I hadn’t connected all the dots the way Scott Locklin has here:

The Space Shuttle, an object lesson in the Sunk Cost Fallacy, has been with us since my early youth. This preposterous boondoggle was originally supposed to make manned space flight cheaper: to the point where getting a pound of matter into space would be as cheap as sending it to Australia. That was the only purpose for building the damn thing in the first place. The idea was, if your spaceship was reusable, it would be cheaper to send people and heavy things into space. If using the same thing multiple times isn’t cheaper, well, what’s the point? Conspicuous consumption, perhaps?

In one of its original incarnations, the Shuttle was supposed to launch like an ordinary aircraft. A jet + rocket powered “first stage” heavy lifter would propel the craft into the upper atmosphere, and the rocket propelled second stage would send the thing into space. Seems like a good idea to me. Jets are pretty easy to fly and maintain cheaply. Jets also don’t have to carry vast quantities of oxidizer. Plus; you get to reuse the whole mess.

Unfortunately, the politicians decided that building the first stage heavy lifter would cost “too much.” Instead they changed the design, and strapped a couple of solid rockets to a beefed up “orbiter” and giant non-reusable fuel tank. That wasn’t the worst of it: those pieces should have still in principle provided for a cheap launch vehicle. In practice, the silica tiles and engines turned out to have very high maintenance costs involving substantial labor, and turn around times were 1/6 of what they should have been, making the thing 6 (though more like 10) times as expensive as it was designed to be.

The goal of the space shuttle program was to have safe, re-usable spacecraft that could lift heavy loads to low earth orbit at a cost of about $50 per pound. What they ended up with was a dangerous fleet of hangar queens that took loads to orbit at an estimated cost of $50,000 per pound. That’s quite a missed set of goals.

No, that’s not suspicious at all . . .

Filed under: China, Government, Technology — Tags: , , , , , — Nicholas @ 11:39

. . . when you use backhoes to bury the wreckage before determining the cause of the high speed rail crash:

The wreck on Saturday night killed 35 and injured 210 after a high-speed train lost power for more than 20 minutes and then was rear-ended by another train, according to the Xinhua news agency. Six cars derailed and two fell off a viaduct near the city of Wenzhou.

[. . .]

Photos on the popular Weibo microblogging service showed backhoes burying the wrecked train near the site. Critics said the wreckage needed to be carefully examined for causes of the malfunction, but the railway ministry said that the trains contain valuable national technology and could not be left in the open in case it fell into the wrong hands.

Foreign companies maintain that some crucial technology was stolen from their imported trains. But more importantly to domestic audiences is the perception of a coverup. Initial reports of how the accident occurred are already being partly contradicted by reports in the official media.

July 22, 2011

Has Twitter entered the political sphere?

Filed under: Media, Politics, Technology — Tags: , , — Nicholas @ 09:39

There has to be more to the story, but Erick Erickson is quite concerned:

Today, Twitter not only shut down the Empower Texans twitter feed, but it also shut down the twitter feeds of every individual who works for Empower Texans.

Twitter is a private organization. It can do what it wants. But I am very troubled that it did so without explanation and without anyone for Empower Texans to contact.

If this was an orchestrated effort on the part of others to flag Empower Texans as a spam account such that Twitter’s computer system would automatically can it, Twitter has a serious security problem.

It was a man made decision, Twitter has even bigger problems.

July 21, 2011

Quebec-based botnet taken down

Filed under: Cancon, Law, Technology — Tags: , , , — Nicholas @ 09:19

John Leyden reports on the Laval, Quebec man who has been arrested:

Joseph Mercier, 24, of Laval, Quebec, allegedly hacked school board systems in Canada as well as computer networks in the US, France, Russia and the United Arab Emirates. Mercier — who was in charge of his employer’s information security — reportedly ran his alleged botnet scam at home and at work, the Canadian Broadcasting Corporation reports.

Mercier was released on bail following a brief court appearance on Tuesday. The Royal Canadian Mounted Police are still investigating the scope of his alleged misdeeds. It’s unclear whether any banking fraud resulted from the scam, the precise motive for which remains unclear.

July 20, 2011

Another aspect of China’s amazing economic growth

Filed under: China, Economics, Law, Technology — Tags: , , , — Nicholas @ 07:28

Steve Jobs might want to look at the Chinese market a bit more carefully . . . something’s happening that he may need to pay closer attention to:

The Western news media is replete with pithy descriptions of the rapid changes taking place in China: China has the world’s fastest growing economy. China is undergoing remarkable and rapid change. This represents a unique moment for a society changing as quickly as China.

You probably read such things in the paper every day — but if you have never been to China, I’m not sure you know quite what this means on a mundane level. As I’ve mentioned elsewhere on this blog, in the 2+ years that RP and I have been in our apartment, much of the area around us has been torn down, rebuilt, or gutted and renovated – in some cases, several times over. I had the thought, only half-jokingly, that when we returned from a couple months abroad, we might not be able to recognize our apartment building. Or that it might not be there at all.

As it turns out, my fears were baseless — our scrappy little home remains. The neighborhood, however, has definitely kicked it up a notch or seven. Starbucks has opened not one, but THREE branches (that I encountered) within a 10 minute walk of one another. An H&M has opened across from our apartment building. These are the kinds of major Western brands that were previously only represented in Kunming by fast food chains like McDonald’s and KFC. Our neighborhood has quickly become the swanky shopping center of the city.

Update, 21 July: Andrew Orlowski thinks I’ve been taken in by a non-story:

Some stories are so unusual, you immediately wonder if they’re too good to be true. On Tuesday, a Western NGO in China posted a remarkable tale, reporting that ingenious Chinese retailers in a medium-sized provincial city called Kunming had cloned an Apple Retail Store, faithfully reproducing the staff T-shirts, furniture, display material, and name tags.

[. . .]

But another 10 seconds with Google would reveal that in China, as in the UK and many other countries, Apple has a network of authorised resellers. Apple lays down very strict guidelines on how the resellers must present the gear. The sales material is Apple’s, and the specifications are extremely precise. And to be an Apple “Premium Reseller”, you have to look a lot like an Apple Apple Store, but naturally, you can’t call yourself one. There are hundreds of these, with Apple manufacturer Foxconn’s brother Gou Tai-chang planning 100.

[. . .]

Think of it like this: if you had a Jaguar showroom, anywhere in the world, would you operate from a dodgy lock-up and advertise it with a hand-painted sign? I thought not. You’d want it to look as slick and expensive as the real thing. I’m not sure why we expect Chinese Apple resellers not to do so, too.

July 19, 2011

Virginia Tech publishes football helmet safety rankings

Filed under: Football, Health, Technology — Tags: , — Nicholas @ 12:41

Gregg Easterbrook has the details from a Virginia Tech comparative study of football helmets:

Researchers at Virginia Tech have produced the first brand-by-brand, model-by-model ranking for the likely concussion resistance of helmets. A star-rating system modeled on crash safety rankings for automobiles, the rankings clearly identify the best and worst helmets. Virginia Tech researchers give high marks to these helmets: the Riddell Speed, Riddell Revolution, Riddell Revolution IQ; the Schutt Ion 4D and Schutt DNA; and the Xenith X1.The Virginia Tech researchers give medium grades to the Schutt Air XP and Schutt Air Advantage. The Virginia Tech rankings warn players not to wear these helmets: the Riddell VSR4 and the Adams A2000.

Now the chilling part: the VSR4 — Virginia Tech’s second-lowest-rated helmet — was the most common helmet in the NFL last season. The VSR4 is widely worn in college and high school, too. Immediately after the Virginia Tech findings were released, Riddell advised football teams to stop using the VSR4, long the company’s best seller.

(The new Rawlings line of football helmets was not on the market in time to be included in the study. Virginia Tech will rank Rawlings helmets — which from the start is promoting safety features rather than styling — next year.)

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