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Comments

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'Thermoelectrics' Could One Day Power Cars

MachineShedFred Re:Not so fast, Thermodynamic laws are pesky thing (174 comments)

Wrong.

Guess what? BMW turbocharges practically every engine they make, so I'm guessing their engineers know more about this than you. I have one that actually has two turbos - specifically the 3.0L inline 6 twin turbo N54.

They aren't close to the engine for heat reasons - they are close to the engine because the turbo needs to be close to the air intake and exhaust at the same time, and that only happens at the engine. A turbocharger works by having the exhaust gases coming out of the engine at pressure (not heat, still mechanical work) spin a turbine which is connected to an air pump in the intake by a shaft. This spins VERY fast (150k RPM) so they also need to use a fluid bearing, so being close to the engine allows the use of engine oil as well.

It has nothing to do with heat, and everything to do with not having oil, air, and exhaust lines crisscrossing the whole fucking car.

3 days ago
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'Thermoelectrics' Could One Day Power Cars

MachineShedFred Re:power cars? technically no (174 comments)

Those are above several thousand feet of water, usually hundreds of miles away from any population. If they get hit, they are contained by the ocean they just sank into.

A land vehicle powered by an RTG has an incredibly higher chance of contaminating a piece of land that someone cares about, or having a fire put radioactive particles into the air that someone might be breathing.

3 days ago
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SSD-HDD Price Gap Won't Go Away Anytime Soon

MachineShedFred Re:RAID? (255 comments)

Sure, but with SSD, you can hit whatever cell you want instantly. No waiting for the spindle to rotate to where it needs to be.

3 days ago
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SSD-HDD Price Gap Won't Go Away Anytime Soon

MachineShedFred Re:RAID? (255 comments)

I was shocked when we got one of the MacPro6 units in, and I ran a disk benchmark on it. It was sustaining 950MB/sec, which is good enough to write 10-bit YUV 4:2:2 2k video at 117fps.

That is a realm you could only really get to with fiber channel previously, or a ridiculously expensive PCI-E card with SLC flash.

3 days ago
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'Thermoelectrics' Could One Day Power Cars

MachineShedFred Re:Not so fast, Thermodynamic laws are pesky thing (174 comments)

We're talking about cars here, right? At least, TFA is.

Currently, cars dump hot exhaust gases out the back end without doing anything with the heat, because it's a byproduct of the mechanical force created through ignition of fuel. IC engines don't use the heat very much - they use the expansion of gases to create mechanical work, and the "waste heat" blows out the tailpipe as, you know, waste.

If you could harness that heat in some way to create electrical or mechanical power, you're more efficient than today where that heat (read: energy) is used for NOTHING. I don't know why you seem to think that it wouldn't work, because auto manufacturers seem to think that it will (BMW, Honda - links in a previous post from someone else), and are engineering systems to do exactly that.

3 days ago
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'Thermoelectrics' Could One Day Power Cars

MachineShedFred Re:Who shot Mr Burns? (174 comments)

Didn't we see a Bond movie about that? Or maybe it was the opposite of that, where it focused the sun into a ORBITING SOLAR DEATH RAY.

3 days ago
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'Thermoelectrics' Could One Day Power Cars

MachineShedFred Re:Hotter Earth (174 comments)

Because clearly 'The Core' is scientifically accurate in every way!

3 days ago
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'Thermoelectrics' Could One Day Power Cars

MachineShedFred Re:power cars? technically no (174 comments)

I wish I hadn't already posted, or I'd be giving mod points just for the image that went through my mind of a vehicle that used ANFO as fuel...

3 days ago
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'Thermoelectrics' Could One Day Power Cars

MachineShedFred Re:power cars? technically no (174 comments)

When you plug in a microwave oven, do you say that it's powered by the wall socket, or that it's powered by coal / methane / uranium / solar / hydroelectric / wind / geothermal?

Because if you say the latter, you sound like an idiot. And, by the way, that's the exact semantical argument you're making here.

3 days ago
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'Thermoelectrics' Could One Day Power Cars

MachineShedFred Re:power cars? technically no (174 comments)

you might see the military using RTGs.

Yeah, I can't wait to have explosive ordinance being flung at vehicles powered by a giant box of ionizing radiation. Great idea.

3 days ago
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Ask Slashdot: System Administrator Vs Change Advisory Board

MachineShedFred Re:Nonsense (291 comments)

It should also have a method of implementing a "standard change" - meaning a change that repeatedly happens, and has a good track record of being successful with minimal fallout. Implement a WSUS test server for having a patch test environment, and point some less critical systems at it. Should anything go wrong there, you'll then know what patches to NOT apply automatically to the critical infrastructure.

Change management and review is there to help you, not be a pain in the ass. Remember - if they sign off on your documented change, they share the responsibility should something go sideways.

3 days ago
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Study Finds US Is an Oligarchy, Not a Democracy

MachineShedFred Re:Revolt? (805 comments)

The amendment process is the closest that the US Constitution comes to a legal path to revolt. However, there's only two ways to legally do that - having the so-called Representatives of the people pass it with a 66% majority, then having the Senate do the same, then having 38 states (presently) ratify it; or calling together a Constitutional Convention which requires 66% of the states to agree to (which has never happened outside of the original Constitutional Convention where the US Constitution was written).

You can't get 33 states to agree on the merits of motorcycle helmets, much less a reconfiguration of the entire legal system. And besides, you'd be depending on the current oligarchy to vote themselves less power either at the Federal or State level in either scenario.

4 days ago
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Study Finds US Is an Oligarchy, Not a Democracy

MachineShedFred Re:"little influence" (805 comments)

Now all we need to do is take this proof to the powers that be, so we can make changes!

... Shit.

4 days ago
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Study Finds US Is an Oligarchy, Not a Democracy

MachineShedFred Re:"little influence" (805 comments)

Yeah, this might as well be titled "Study finds that fire is still hot, and that water is among the wettest substances known"

4 days ago
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This 1981 BYTE Magazine Cover Explains Why We're So Bad At Tech Predictions

MachineShedFred Re:That micro-floppy (275 comments)

I want an SD card that has a label that looks like a floppy. Or, better yet, one where it actually does have the hole in the middle.

5 days ago
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UN: Renewables, Nuclear Must Triple To Save Climate

MachineShedFred Re:Nuclear? (432 comments)

Everyone uses less than they could. I don't have a giant natural gas flaring operation in my back yard, even though I could.

What the hell does that have to do with anything?

5 days ago
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UN: Renewables, Nuclear Must Triple To Save Climate

MachineShedFred Re:Nuclear? (432 comments)

The Koch brothers don't have a share of a Nobel prize for making a PowerPoint about climate change, nor do they pretend to tell everyone how to be more eco-friendly while zipping from venue to venue on a private fucking jet.

Apples and Oranges in this context.

about a week ago
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Russia Wants To Establish a Permanent Moon Base

MachineShedFred Re:Russia wants a lot of things. (313 comments)

Here's how you fix NASA:

1. Tell Congress to fuck off, and that they should get back to passing laws, and get out of rocket and spacecraft design. You don't need to build rocket parts in 47 states in order to go to the Moon or Mars.

2. Every President that steps into the Oval Office needs to get it through their thick politician asshat that they don't "need to make their impression upon the space agency". How is NASA supposed to finish any 10-year projects when their priorities get changed every 5 years?

about a week ago
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Russia Wants To Establish a Permanent Moon Base

MachineShedFred Re:Annex? (313 comments)

Because the current government in Moscow gives a shit about what's legal?

about a week ago
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Russia Wants To Establish a Permanent Moon Base

MachineShedFred Re:Looks like they're taking the high ground (313 comments)

It took Apollo flights 3 days to get to the Moon going Mach 32, and they had the ability to do course correction burns while in trans-lunar flight.

You could probably figure out how to get something from there to here at the lower speed of that railgun; it sure would not be easier, faster, nor cheaper than just launching a 1950s bomber from New Jersey.

about a week ago

Submissions

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Microsoft launches FUD campaign against iPad

MachineShedFred MachineShedFred writes  |  more than 3 years ago

MachineShedFred (621896) writes "ZDnet has posted an article containing a PowerPoint slide deck that Microsoft is shopping around to Windows-based tablet manufacturers showing how the iPad is horrible for the enterprise. Never mind that half of the things on the slides are incorrect, or are solved using Microsoft's own Exchange / ActiveSync technologies. The more things change, the more they stay the same."
Link to Original Source
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NTP Sues World + Dog Over Wireless Email Patents

MachineShedFred MachineShedFred writes  |  more than 3 years ago

MachineShedFred (621896) writes "Apple, Google, Microsoft, and many other tech companies have been named in a lawsuit being brought forth by NTP, the company that settled a lawsuit against Blackberry-maker Research in Motion for over $600M. I would imagine that this is going to be vigorously defended, as the entire tech industry stands to lose on this one. Also, it's fairly obvious what NTP is about when even CNN calls them a 'Patent Troll.'"
Link to Original Source
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Oregon speech law challenged in court

MachineShedFred MachineShedFred writes  |  more than 5 years ago

MachineShedFred (621896) writes "A lawsuit has been filed against all the county District Attorneys, as well as the Attorney General of Oregon to block enforcement of a new law that restricts the sale of "sexually explicit" material to people under the age of 18. Powell's Books (who claims to be the largest independant new and used bookstore in the world) as well as Dark Horse Comics (publisher of Frank Miller graphic novels) as well as many other bookstores claim that the new law would be impossible for these businesses to comply with. In an affidavit, Michael Powell had to say "Powell's has in stock over 2 million volumes constituting over 1 million titles," Powell said in his affidavit. "We receive on an average over 5,000 new titles per week. Obviously we cannot read each new title to determine whether there are any sexual explicit portions and if so whether such portions 'serve some purpose other than titillation' (even if I knew what that meant).""
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Supreme Court to hear FCC indecency case

MachineShedFred MachineShedFred writes  |  more than 6 years ago

MachineShedFred (621896) writes "The Supreme Court of the United States has announced that it will be hearing the FCC's appeal to the 2nd U.S. Circuit Court of Appeals' decision that the FCC has changed it's policy on fleeting expletives without adequate explanation. It's now on the FCC to explain to the Supreme Court why it's policy has changed.

This is also the first time the Supreme Court has heard a major "broadcast indecency" case in 30 years."
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MachineShedFred MachineShedFred writes  |  more than 7 years ago

MachineShedFred (621896) writes "El Reg is reporting that MIT scientists have found a way to reduce the heat load on your standard Nuclear Pressurized Water Reactor from ~1800 C to ~700 C. They found that reshaping the fuel pellets as tubes rather than cylinders that are manufactured for the reactors can greatly increase the amount of heat transfer from the fuel pile to the coolant. This would make for a safer reactor system because you much farther below the melting point of Uranium (2840 C)."

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