Priligy online now, save money

JAN 29

Recent Comment

"Thermoelectric effect to cool computers is not a new idea- look up Pel..."

View all Comments

Intel Focusing In On Nano-Power

The majority of alternative energy researchers are trying to make renewable energy bigger and viagra best buy bigger. They are trying to build solar plants and wind farms that can power larger percentages of the very good site levitra soft gel grid, batteries that can hold more kilowatt-hours, and biofuels with high energy density. At the same time, there is a growing interest in capturing the small bits of energy that otherwise go to waste. While these technologies will never (at least for a very, very long time) provide energy for a car or household, they are still sparking development by some big names.

Such as Intel, for instance. Intel just demonstrated a system which can utilize the energy in radio waves to power small electronic devices. By using a TV antenna pointed at a radio tower 4 miles away, the Intel team was able to collect about 60 microwatts – admittedly insignificant when you are thinking on the scale of kilo, mega and even terawatts – but enough to power a small device, in this case a thermometer and its LCD display.

RF technology is especially exciting when you think about pairing it up with a new generation of energy monitoring systems. Energy monitors are, like the thermometer, small computers that draw relatively small amounts of power. If that power could be “broadcast” out across many square miles from a radio source, such devices could potentially go without batteries or connection to the electric grid, thereby offering the ultimate flexibility.

Another technology that Intel is discount cialis online working on is thermoelectricity. In a nutshell, when you run an electric current through certain materials, you can make one side of order viagra without a prescription the material hot and the the best choice lowest viagra price other side cold. This works in reverse as well; if you heat up one side of the material and cool down another, an electric current will be generated.

Intel is building small thermoelectric devices to be built into their chips. By running small amounts of electricity through the devices, the thermoelectricly-cooled plates can be used as heat sinks to draw heat away from processors. It is important to cialis costs realize that, even with such devices, you still need to put in about as much energy (in electricity) as you draw out (in heat). The difference between a thermoelectric device and a fan is that, with the former, you can pinpoint the spots that generate the most heat and cialis usa thus remove it in a more efficient way.

Another thermoelectric application involves using such materials to generate electricity from otherwise useless waste heat generated by engines and other types of machinery. Komatsu, a Japanese firm that manufactures, among other things, construction equipment, is developing thermoelectric modules to capture heat from said equipment. The latest device to come out of their labs has been able to achieve a conversion efficiency of 7.2%, generating 24 watts per module, given a temperature difference of 280 degrees (C) on one side and 30 on the other.

So don’t forget about small power – there are many useful ways to utilize watts, even when they are not on such lofty orders of magnitude.

Via Green Car Congress, Treehugger

Hits: 11758
Comments (6)Add Comment
Creative Energy
written by Global Patriot, January 29, 2009
Once again, by unleashing the power of creativity, private enterprise demonstrates that innovation is going to cialis professional no prescription be the key factor in solving the difficult issue of i recommend levitra testimonial climate change. It will take time, and a great deal of investment dollars, but there are solutions waiting to be discovered.
written by MD, January 30, 2009
Paging Nikola Tesla, please pick up the white courtesy phone !

It only took 105 years eh?

Inefficient energy transmission
written by camarco, January 30, 2009
I studied Electrical Engineering at ETH Zurich in Switzerland and we allready had miniature planes powered by Telecommunication radio waves in the air. The idea is old like hell (refering also to Tesla as mentioned above).
If you try to harness telecommunication waves you increase the capability of the grid ending up with telecommunication companies putting up new antennas. (well, in our case we got a letter from their lawyer first...)
If you try to use it as a power transmission device, you have terrible efficiencies (try focusing antenna propagation on a small target and you'll know why most of the wave energy will miss its target...)
So: funny gadget, but a waste of energy...
written by camarco, January 30, 2009
Of course you DECREASE telecommunication capabilities. Sorry for the typo...
energy theft
written by Space, January 30, 2009
The radio wave tech sounds like energy theft to me, it prevents the signal from traveling further... Unless you really know what you're doing...
Thermoelectric effect & Peltier cooler
written by Sayan, January 31, 2009
Thermoelectric effect to cool computers is not a new idea- look up Peltier-effect. Intel is just incorporating it into their chips.

Write comment

security code
Write the displayed characters


Are you an EcoGeek?

We've got to keep 7 billion people happy without destroying our planet. It's the biggest challenge we've ever faced....but we're taking it on. Are you with us?

The Most Popular Articles