top Calculus Textbook Author James Stewart Has Died
To the professors out there. Textbooks don't have to be so expensive. Dover has
great titles for under $30. My analysis class was taught with a Dover book and a good teacher. Worked great and saved me who knows how many hundreds of dollars. about a month and a half ago
top David Cameron Says Brits Should Be Taught Imperial Measures
The ISO standard (31-0) is to use a narrow space to separate digit groupings, and then either a comma or a decimal as the delimiter of the fractional part. So Ten-thousand four hundred thirty three and ninety seven hundredths would be
10 433,97 or 10 433.97 but neither 10,433.97 nor 10.433,97
top Boeing Unveils Cabin Design For Commercial Spaceliner
Uh, lots of
Boeing customers use the Sky interior.
More than 85 percent of Boeing's backlog of more than 3,400 Next-Generation 737s and 737 MAXs will be delivered with the Boeing Sky Interior. The Boeing Sky Interior will be standard on the 737 MAX.
top South Carolina Education Committee Removes Evolution From Standards
When I took basic biology in high school, they taught us Lamarkism and Spontaneous Generation as alternative theories. Then we went on to show that these formed testable hypotheses that were easily disproven. That is how you teach scientific controversy. With alternative scientific hypotheses.
top How Chris Christie Could Use the NSA Playbook
With respect to 4, no the Federal Reserve is not "literally printing money", however the money deposited in the reserve accounts of the member banks is indeed new money. This can be fairly described euphemistically as "printing money." The important question is whether the increase in the money supply risks inflation. Currently, it doesn't look like it. And now we are starting to move into the "remove the punch bowl" phase of monetary policy with reductions in the buying program. As the Federal reserve eventually transitions from buying to selling its bond holdings, the money that the member banks pay the Fed to buy back the bonds disappears in a poof as money is removed from the money supply. It will be interesting to see if we can get the meme going, "The Fed burns $XM every month!"
top Ask Slashdot: Application Security Non-existent, Boss Doesn't Care. What To Do?
In general, if you absolutely know that you are in the right, don't report anonymously. If you report as yourself you have protection against retaliation. If you report anonymously, those protections go away because the ethics/integrity dept can't show that there is retaliation without knowing that it was you that reported the misconduct.
top Nest Labs Calls Honeywell Lawsuit 'Worse Than Patent Troll'
Duty of disclosure means that if you are aware of relevant prior art when applying for a patent in the US, you are obligated to inform the USPTO about it. Nest is saying that Honeywell should have at least known about its own prior patents, and that not disclosing them violated the duty of disclosure. This is grounds for the patent being found invalid.
top Ask Slashdot: The Very Best Paper Airplane?
The intent of the organizers is to generate designs with "nice" glide ratios. But to encourage that, the right metric is not distance of flight, but time aloft. A paper airplane that slowly covers 15' is a much "nicer" design then a wadded paper ball that covers 40' in two seconds.
top IBM Optical Chip Moves Data At 1Tbps
Or, it would take just around an hour to transfer the entire U.S. Library of Congress web archive through the transceiver.
There we go, a more traditional unit: 1 LoC/h
top New Technique For Mass-Producing Microbots Inspired By Origami
Berkeley is doing similarly cool stuff in their
Biomimetic Millisystems Lab .
top Apple-Approved Fair Labor Inspections Begin At Foxconn
Does China have a free and liquid labor market? I know next to nothing about China's labor economics and politics, but I would strongly suspect that the labor market is quite illiquid (if that word has any meaning in this context). That is, do factories get to compete for workers with compensation and working condition market based incentives? Or does the Party inhibit the competition among factories so that it really is a Foxconn or nothing type proposition?
top Mass. Court Says Constitution Protects Filming On-Duty Police
That is what this decision is! The title of the suit is:
Plaintiff, Appellee, v. JOHN CUNNIFFE, in his individual capacity; PETER J. SAVALIS, in his individual capacity; JEROME HALL-BREWSTER, in his individual capacity; CITY OF BOSTON,
Glik is filing a law suit against the officers individually and the city of Boston alleging a violation of his civil rights. The defendants claimed that the officers have qualified immunity and are not subject to a law suit. The appellate court has said here that "No, you did violate the rights and have no qualified immunity." Now Glik should be able to proceed with the law suit and get damages. My guess would be that after this ruling there will be a settlement, as it doesn't look like the defendants can win the civil suit without immunity and with the evidence so clearly spelled out by the appellate court.
top Samsung Cites
2001: A Space Odyssey In Apple Patent Case
Note the 'D' in the front. That makes this a
design patent, not a utility patent. Thus it is restricted to only the ornamental (not functional) aspects of the device. By its very nature, it cannot have substance.
top MK-1 Robotic Arm Capable of Near-Human Dexterity, Dancing
The video says that the servo control is handled on board the module. So, you would need a trajectory planner and interpolator, but not amplifiers or drives. There is no comment on how to set up the tuning (for good control, robots require non-linear control laws). I *think* the newest ABB robot controllers, with some undocumented options, can directly feed interpolation points out over CAN bus (accepted by these modules), so it might be possible.
top Expensify CEO On 'Why We Won't Hire
G (why do people keep calling it "LabView"?) is more like a whole DAS/Process-Control multi-drawer rolling toolbox than a simple hammer.
Because G is
no longer the name that National Instruments calls it?
top CMU Eliminates Object Oriented Programming For Freshman
My CS101 class (many moons ago) was taught in Scheme. I thought it was fantastic. Since I didn't come from a high achieving high school, I had no formal software training beyond what I hacked on my home C64 w/ Comal. I was nervous that I was going to have to compete with a bunch of C/C++/Pascal trained gurus. Scheme was the great leveler. Nobody had a clue with the language, and the professor could focus on CS, and the programmers had no advantage in the class (i.e. couldn't coast).
Bring back CS101 as Lisp/Scheme/Logo (not the turtle part, the actual language). Make their brains hurt.
top Is Software Driving a Falling Demand For Brains?
tested this a while ago. It was not well received by the customers.
top Goodbye, HD Component Video
So, I did a little looking around on the web and my question is where do I buy an HDFury? As far as I can tell it is no more. Nobody seems to have any inventory.
top Mathematics As the Most Misunderstood Subject
Missing two roots in "Take the cube root..."
>> roots([1, 0, 0, 1])
0.5000 + 0.8660i
0.5000 - 0.8660i
The first equation has two solutions. But the equation x^3+1=0 has three solutions. You chose the one solution that didn't apply. The other two work just fine.
0.5000 + 0.8660i
0.5000 - 0.8660i
I like the problem though!
top String Theory Tested, Fails Black Hole Predictions
"If Edison had a needle to find in a haystack, he would proceed at once with the diligence of the bee to examine straw after straw until he found the object of his search.. I was a sorry witness of such doings, knowing that a little theory and calculation would have saved him ninety per cent of his labor." - Nikolai Tesla
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