Friday, December 10
Thursday, December 9
Sunlight to Fuel Hydrogen Future
Wired News: Sunlight to Fuel Hydrogen Future
just the kinda thing I have been envisioning
go solar-hydrogen!
just the kinda thing I have been envisioning
go solar-hydrogen!
Monday, December 6
Has it flown away,
The cuckoo that called
Waking me at midnight?
Yet its song seems
Still by my pillow.
Oh this world of ours-
There is no way out!
With my heart in torment
I sought the mountain depths,
but even there the stag cries.
Fujiwara Shunzei
The cuckoo that called
Waking me at midnight?
Yet its song seems
Still by my pillow.
Oh this world of ours-
There is no way out!
With my heart in torment
I sought the mountain depths,
but even there the stag cries.
Fujiwara Shunzei
Friday, November 19
Nanokiwi Best of 2004 :: Camcorder
Oregon Scientific DV100
at the low end of the market
JVC Everio looks wonderful
at the higher end: HDD/MPEG2
but what the hey
the latest from
engadget.com
has what you want. .
Tuesday, November 16
Nanotubes Make Antennas for Light
Technology Review: Nanotubes Make Antennas for Light
November 15, 2004
An antenna transmits and receives electromagnetic waves at wavelengths that are close to the length of the antenna, and it does so by converting electrical current to electromagnetic waves and vice versa. The electromagnetic spectrum spans radio waves, microwaves, heat waves, visible lightwaves, ultraviolet waves, x-rays, and gamma rays.
Carbon nanotubes, which are rolled-up sheets of carbon atoms that can be smaller than a nanometer in diameter, can act as antennas, but instead of transmitting and receiving radio waves, which are at the longest end of the electromagnetic spectrum, antennas of their size pick up the nanoscale wavelengths of visible light. A nanometer is one millionth of a millimeter. In contrast, radio wave wavelengths are measured in meters.
Researchers at Boston College, the U.S. Army Natick Soldier Center, Mega Wave Corporation and Florida International University have demonstrated the light antenna effect using arrays of multiwalled carbon nanotubes.
The method could be used to convert optical signals to electrical signals in communications equipment, to carry out optical computing, to detect different wavelengths of light including the infrared wavelengths used in telecommunications equipment, and to convert sunlight to electricity in solar energy applications, according to the researchers.
To make the light antennas, the researchers grew arrays of multiwalled carbon nanotubes that were 50 nanometers in diameter and varied in length from 200 to 1,000 nanometers. Visible lightwaves range from 400 to 700 nanometers long from crest to crest, which is about ten times smaller than a red blood cell.
The researchers measured the behavior of the carbon nanotube arrays by recording the lightwaves that the minuscule antennas reradiated.
Practical nanotube antennas could be developed in two to five years, according to the researchers. The work appeared in the September 27, 2004 issue of Applied Physics Letters."
November 15, 2004
An antenna transmits and receives electromagnetic waves at wavelengths that are close to the length of the antenna, and it does so by converting electrical current to electromagnetic waves and vice versa. The electromagnetic spectrum spans radio waves, microwaves, heat waves, visible lightwaves, ultraviolet waves, x-rays, and gamma rays.
Carbon nanotubes, which are rolled-up sheets of carbon atoms that can be smaller than a nanometer in diameter, can act as antennas, but instead of transmitting and receiving radio waves, which are at the longest end of the electromagnetic spectrum, antennas of their size pick up the nanoscale wavelengths of visible light. A nanometer is one millionth of a millimeter. In contrast, radio wave wavelengths are measured in meters.
Researchers at Boston College, the U.S. Army Natick Soldier Center, Mega Wave Corporation and Florida International University have demonstrated the light antenna effect using arrays of multiwalled carbon nanotubes.
The method could be used to convert optical signals to electrical signals in communications equipment, to carry out optical computing, to detect different wavelengths of light including the infrared wavelengths used in telecommunications equipment, and to convert sunlight to electricity in solar energy applications, according to the researchers.
To make the light antennas, the researchers grew arrays of multiwalled carbon nanotubes that were 50 nanometers in diameter and varied in length from 200 to 1,000 nanometers. Visible lightwaves range from 400 to 700 nanometers long from crest to crest, which is about ten times smaller than a red blood cell.
The researchers measured the behavior of the carbon nanotube arrays by recording the lightwaves that the minuscule antennas reradiated.
Practical nanotube antennas could be developed in two to five years, according to the researchers. The work appeared in the September 27, 2004 issue of Applied Physics Letters."
Monday, November 15
Friday, November 5
democracy perfected!
"As democracy is perfected, the office of President represents, more and more closely, the inner soul of the people. On some great and glorious day, the plain folks of the land will reach their heart's desire at last and the White House will be adorned by a downright moron."
--- H.L. Mencken (1880 - 1956)
The Most Important Terrorism is 'Ours'
- John Pilger
Failures in Iraq Repeat History
A Soldier Speaks
Wednesday, October 27
Friday, October 22
Halo 2 breaks records with 1.5 million preorders
Anticipation for Bungie's latest promises one of the biggest entertainment launches ever
Microsoft has announced that pre-orders for Xbox-exclusive title Halo 2 have passed 1.5 million in the United States alone, breaking videogame records and guaranteeing first-day revenues higher than any movie in history.
Over 6,500 stores in the USA are planning to open at 12.01 AM on the morning of Tuesday, November 9th, to sell copies of the game, with the first retail copy set to be distributed at midnight in the Toys 'R' Us store in New York's Times Square.
Additionally, 1,125 further retailers worldwide are planning celebration events for the launch of the game - which will take place between November 9th and November 11th in every Xbox territory, covering 27 countries with seven different language versions.
Anticipation for the sequel to the biggest-selling Xbox game ever doesn't appear to have been dulled by the release of a pirate version onto the Internet last week - a move which has mainly been greeted with outrage by fans of the game.
"Halo 2 is expected to be the biggest 24 hours for a video game title in retail history," boasted Microsoft's VP of worldwide publishing and marketing for Xbox, Peter Moore, in a statement this week, "and is projected to bring in more revenue than any day one box office blockbuster movie in the United States."
The original Halo, which was also Xbox-exclusive originally but was later released on PC and Mac platforms, has now sold over five million units worldwide and is still a regular entry in the monthly top ten sales charts in North America.
Wednesday, October 20
Technology Light & Heavy
wanna light technology read?
try the free downloadable
techzine
philosophical tech?
then get smart with
John Smart
try the free downloadable
techzine
philosophical tech?
then get smart with
John Smart
Sunday, October 17
Nanokiwi Best of 2004 :: Health
15 Minute Yoga Box
my highest recommendation
after two decades of nightly back pain
nothing I've done has been as lifechanging
as these simple yoga stretches
some kind of miracle. .
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