Anyway, what you are thinking of is called an 'augmented microcontroller', of which I was referring too. The Arduino is a bare-bones budget level augmented mcu. There are much better augmented microcontrollers out there.
As for shields, they aren't nearly as useful as you think - they only exist because the Arduino doesn't have a power bus or a normal 0.1" header spacing.
Here is an example of another microcontroller - notice how the servo and the sharp IR simply plug in without a shield or additional wiring. Also, programming is nearly drag and drop.
If both light and heat generated are all considered useful for the situation, then efficiency is 100%. The bulb was banned because heat was considered wasted energy, and in summer time I'd agree.
Energy from the environment, such as your example, should be included in the Power_In if you are determining true efficiency. Both sides of the power balance equation must be equal. Efficiency wrt grid energy, and total efficiency, are different.
The Arduino, in all honesty, is a technologically obsolete poorly designed budget microcontroller.
There are other controllers, just as easy or easier to use, with much more features for only a little more $. And most of them don't even require expensive bulky shields to do what you need.
Just google my username, as I don't want to spam/. with my financially motivated bias =P
Thailand has both quack doctors and fairly good doctors.
I've gone to Thailand hospitals on many various occasions, and have been quite impressed. But I only stick to BHS and Bangkok Hospital for anything important, the two most expensive/high ranking in the country.
That said, they've not only been able to cure me of things the US doctors failed to do, but cost me 5x less to do it!
Of course, I get second and third opinions because a doctors visit is usually only ~$20 here. It took me quite awhile to trust the Thai doctors . . .
I occasionally browse the Thai language websites. I can verify that the pro-government/PAD/multi-color shirts strongly promote violence.
I sometimes feel like I'm reading KKK neo-Nazi forums . . . wishing for every act of gratuitous violence to be applied to the red-shirt protesters . . .
Robot programming has become very big lately, and the overwhelming number of microcontrollers out there only use C/C++ (well, and Assembly, but that doesn't count).
Agreed. I'm often an invited reviewer for robotics journals/conferences. Most Chinese researchers don't even bother using basic grammar/spell checking software.
Its a disservice to science to publish rubbish, burying the good papers within it.
I remember in 2003 I worked for a non-profit where I managed all IT software (but not hardware). I noticed that various employees were storing large files onto the server. Not a big deal, but we only had about 3 months left of harddrive space at the current upload rate.
I informed my boss several times, telling him if we didn't expand memory, everything will crash - including email for all 40 employees.
Well, he didn't act, everything crashed, and apparently they had a several day 'emergency' until they remembered what I told him.
Point is, I protected myself by having multiple talks with my boss on the situation before it happened.
Slashdot Mirror
You're right - the signal was intercepted and Sputnik's position was tracked by the Naval Research Laboratory in Washington, DC.
http://en.wikipedia.org/wiki/Minitrack
http://en.wikipedia.org/wiki/Project_Vanguard
Vanguard, which could have been launched before Sputnik, wasn't a national priority until after the launch of Sputnik.
I think you misread what I wrote?
Anyway, what you are thinking of is called an 'augmented microcontroller', of which I was referring too. The Arduino is a bare-bones budget level augmented mcu. There are much better augmented microcontrollers out there.
As for shields, they aren't nearly as useful as you think - they only exist because the Arduino doesn't have a power bus or a normal 0.1" header spacing.
Here is an example of another microcontroller - notice how the servo and the sharp IR simply plug in without a shield or additional wiring. Also, programming is nearly drag and drop.
http://www.youtube.com/watch?v=FPhMES0PFEw
I stand by what I said. =P
Power_In = Power Out
Power_In = useful_power + wasted_power
useful_power / Power_In = efficiency
If both light and heat generated are all considered useful for the situation, then efficiency is 100%. The bulb was banned because heat was considered wasted energy, and in summer time I'd agree.
Energy from the environment, such as your example, should be included in the Power_In if you are determining true efficiency. Both sides of the power balance equation must be equal. Efficiency wrt grid energy, and total efficiency, are different.
I think this whole argument is a bit silly . . .
No need for personal attacks.
The issue here is what we consider productive work, giving us each different values for efficiency.
And how do you get 230 watts out of 100 watts? That defies the 1st law of Thermodynamics =P
As such, these bulbs have 100% efficiency on cold days.
The Arduino, in all honesty, is a technologically obsolete poorly designed budget microcontroller.
There are other controllers, just as easy or easier to use, with much more features for only a little more $. And most of them don't even require expensive bulky shields to do what you need.
Just google my username, as I don't want to spam /. with my financially motivated bias =P
Yeap, old news.
http://www.genomeweb.com/peer-review-broken
http://www.slate.com/id/2116244/
All it takes is one bad reviewer that doesn't know what he's talking about, or only skimmed over the paper, to get a paper rejected.
just an FYI: Its based on data from Alexa. Despite what Alexa claims, I find the results to be off by an order of magnitude from true traffic.
SP3 has a serious bug in USB causing some devices to transfer data much slower than it should (like external harddrives, for example).
As such I'd never upgrade, as I use some of those devices known to have this problem.
Its just a hash of their mission statement:
http://en.wikipedia.org/wiki/United_States_Cyber_Command
"The text '9ec4c12949a4f31474f299058ce2b22a', which is located in the command's emblem, is the MD5 hash of their mission statement."
Thailand has both quack doctors and fairly good doctors.
I've gone to Thailand hospitals on many various occasions, and have been quite impressed. But I only stick to BHS and Bangkok Hospital for anything important, the two most expensive/high ranking in the country.
That said, they've not only been able to cure me of things the US doctors failed to do, but cost me 5x less to do it!
Of course, I get second and third opinions because a doctors visit is usually only ~$20 here. It took me quite awhile to trust the Thai doctors . . .
I occasionally browse the Thai language websites. I can verify that the pro-government/PAD/multi-color shirts strongly promote violence.
I sometimes feel like I'm reading KKK neo-Nazi forums . . . wishing for every act of gratuitous violence to be applied to the red-shirt protesters . . .
Try looking for a red shirt website like Prachathai, or any website that criticizes the Thai government, and you'll find tons of blocked websites.
I've had no problems with bit torrent here on two separate ISPs. I do find that the censorship is different on each ISP.
Yes there is. Its a small sub-section of the greater Krung Thep metropolis.
'Bang' means village, and 'Krung' means city.
Same here. Seems no one checked before posting =P
Bad reporting . . . dust size glass is enormous compared to the atoms and molecules as defined in Brownian motion.
I think its a false assumption to assume the Chinese are much more skilled in keeping their computers clean.
These statistics only account for total spam, but not the spam per computer ratio. You might find very different results if this is accounted for.
Yeap, I meant to include embedded. I'm surrounded by people who spend most of their time doing C for embedded apps.
What is C used for these days other than embedded apps? (serious question as I don't know)
Robot programming has become very big lately, and the overwhelming number of microcontrollers out there only use C/C++ (well, and Assembly, but that doesn't count).
To follow the law, plant 40% of it with grass, and leave the other 60% with barren dirt.
After all, the law is not about an attractive lawn, just 40% grass coverage. No?
Agreed. I'm often an invited reviewer for robotics journals/conferences. Most Chinese researchers don't even bother using basic grammar/spell checking software.
Its a disservice to science to publish rubbish, burying the good papers within it.
Don't forget to factor in super-advanced encryption.
If SETI detected a satellite transmitted webpage of today 50 years ago, it wouldn't have looked any different than background noise.
I remember in 2003 I worked for a non-profit where I managed all IT software (but not hardware). I noticed that various employees were storing large files onto the server. Not a big deal, but we only had about 3 months left of harddrive space at the current upload rate.
I informed my boss several times, telling him if we didn't expand memory, everything will crash - including email for all 40 employees.
Well, he didn't act, everything crashed, and apparently they had a several day 'emergency' until they remembered what I told him.
Point is, I protected myself by having multiple talks with my boss on the situation before it happened.