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Comment: Re:Well (Score 1) 73

by Cramer (#47352807) Attached to: Cambridge Team Breaks Superconductor World Record

Multiply by ten, twice, and you'll be closer to the "3 ton" field. I use hard drive voice coil magnets, and most of those don't have 60lbs (1/100th of 3 tonnes) of force. And those are some of the strongest magnets to which consumers have access. The "standard" fridge magnet holding force is at best ounces (grams).

Comment: Re:Some nice looking features/updates (Score 1) 231

by Cramer (#47206213) Attached to: Red Hat Enterprise Linux 7 Released

It's like that because that's simply where they each "do their thing". Redhat was around long before debian, so the question should be "why did debian change it?" Redhat did it that way to simplify automation and deployment -- one config file per interface isolates interface configurations, and makes parsing far simpler. (if you need to setup or know anything about eth0, it's one file, and everything in it pertains to eth0.)

Comment: Re: No one will ever buy a GM product again (Score 1) 307

by Cramer (#47197069) Attached to: GM Names and Fires Engineers Involved In Faulty Ignition Switch

Indeed. And that's a point I tried to make about a Prius being run in the 24 Hours of Lemons race(s). It's one of the top rules, yet they have no kill switch and that's 100% O.K. by HQ (because Toyota said it was.) The car has an ECU; that ECU requires power; one can install a mechanical break in that power. Even a manual cut out can be added to the traction batteries. (it already has one. you only need attach a "rope" to it so the driver can pull it.)

Comment: Re:Even higher! (Score 1) 1040

by Cramer (#47159691) Attached to: Seattle Approves $15 Per Hour Minimum Wage

So how do you get out of paying taxes if you're making minimum wage?

You don't, legally. You may qualifiy to get most/all/even more, come April 15. (illegally, you work "day labor" jobs that pay cash without a hint of taxation.)

(Or tax exempt farm labor, but that's a very low number of hours -- if it even still exists.)

Comment: Re:He turned job termination into career terminati (Score 1) 265

by Cramer (#47062113) Attached to: IT Pro Gets Prison Time For Sabotaging Ex-Employer's System

Well, they did use the word "fired", which to me means "for cause". I've never been anywhere that would _fire_ a person and let them walk back to their desk and keep working. Layoff's and "down sizing", maybe, but even there care must be taken to avoid letting a pissed (now or soon to be) ex-employee back where they could make a mess.

Comment: Re:Steel is stronger than carbon in many instances (Score 1) 262

by Cramer (#47060351) Attached to: The Brakes That Stop a 1,000 MPH Bloodhound SSC

Well, yeah, that's other drawback... a ceramic rotor won't take much abuse before shattering. (that said, my brake pads are ceramic.) And they aren't balanced for 10k RPM. The steel ones can cope with it better, but I wouldn't trust them at that speed for long -- enough for a run, sure -- and never more than once. (after a full braking, I would never trust them again.)

Comment: Re:Steel is stronger than carbon in many instances (Score 1) 262

by Cramer (#47059469) Attached to: The Brakes That Stop a 1,000 MPH Bloodhound SSC

In order for friction to destroy steel, it needs to actually wear it away one particle at a time.

Not entirely correct. While that may be the most common aging / failure method on a road car. On a race car, heat effects are what kills rotors -- of all construction. When you heat a steal (cast iron) rotor near (or past) the glass transition point (the point where it "melts", or transitions from solid to liquid) it will wear quickly and unevenly, begin to warp, and start developing cracks. Look at any used rotors from a race car; almost all of them have small, spider cracks in the braking surface from the repeated heat cycles. (heat causes metal to expand, but the heat isn't applied evenly over the entire disc, and it's a circle so the inside will expand more than the outside.)

But yes, in this equation, mass wins. Carbon fibre is great for many repeated, brief, super high heat cycles -- which is why F1 uses them. In this case, it's one HUGE prolonged dump of energy. That sort of thing will shatter a carbon rotor.

Comment: Re:Wow, pasword security policy fail (Score 1) 193

by Cramer (#47058953) Attached to: eBay Compromised

There has been volumes of research proving the exact opposite. Increased complexity and forced password changes invariably lead to much weaker passwords. People find a password they can remember that passes the (often idiotic) complexity rules, and add a rotating tag (0, A, symbol, etc.) to the beginning or end every time they're forced to change it. Or WORSE, they write it down and stick it on the monitor, wall next to the monitor, side of the computer, etc.

Comment: Re:Wow, pasword security policy fail (Score 1) 193

by Cramer (#47058879) Attached to: eBay Compromised

Actually, once a code is used, it cannot be reused. So even if you watched me login, and typed in the exact same thing within seconds, SecureID would deny the second login, and most likely flag the account -- your next login would be answered with a "next code" challenge. (I've worked at a place that would disable your account if that happens.)

Them as has, gets.

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