« Toys made with Hard Disk Parts | Main | 甲侵害了乙 可是丙卻拿到比乙更多的賠償! 試問丙是誰? »

May 16, 2011

Comments

Fred

Here is a comparison between CF, LED and incandecent light bulbs from IEEE Spectrum:

http://spectrum.ieee.org/semiconductors/optoelectronics/the-lightbulb-that-really-is-a-better-idea/1

xDSL is operated on the same priciple, old copper infrastructure, same RJ-11 socket but 100-1000 times the speed with lower power consumption than analog modems. We were riding on the Moores law for the last 20 years.

The comments to this entry are closed.

My Photo

November 2020

Sun Mon Tue Wed Thu Fri Sat
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
29 30          
Blog powered by Typepad
Member since 10/2004