One quadrillionth of a second. See space/time and ohnosecond.
 | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2009 The Computer Language Company Inc. All rights reserved. |
Additional Resources
- Using lasers to watch electrons in action
- Canadian and U.S. scientists have used ultrafast lasers to take snapshots of electrons in action. The tools they've used work at a femtosecond time-scale -- a femtosecond lasts 10-15 seconds. But they want to observe the electron recollision process which occurs in the attosecond time-scale -- an attosecond is just...
- Blog posts 2008-11-01
- Repairing genetic mutations with lasers?
- German researchers at the Christian-Albrechts-Universität zu Kiel CAU think they've proved that genetic information can be controlled by light. The group studied the interaction between the four DNA bases -- adenine A, cytosine C, guanine G, and thymine T -- by using femtosecond time-resolved fluorescence spectroscopy. The researchers think that...
- Blog posts 2008-10-12
- Wikipedia is the Hitchhiker's Guide to the Galaxy
- Wikipedia is the Hitchhiker's Guide to the GalaxyThe proper context for Wikipedia:[b][i]"Here's what the Encyclopedia Galactica has to say about alcohol. It says that alcohol is a colourless volatile liquid formed by the fermentation of sugars and also notes its intoxicating effect on certain carbon-based life forms. The Hitch Hiker's...
- Discussion threads 2008-07-29
- The first optical pacemaker
- According to a short news release from the Optical Society of America OSA, an international team of scientists at Osaka University in Japan has used a femtosecond laser pacemaker to control heart muscle cells. So far, this optical pacemaker will only be used for laboratory research. As writes OSA, 'exposing...
- Blog posts 2008-05-29
- Shimmering holograms to check anticancer drugs
- Physicists at Purdue University have developed a new digital holographic imaging system. This device permits to watch in 3-D how anticancer drugs fight tumors. It uses a laser which does not harm living tissues and a common microchip used in your digital cameras to see inside tumor cells. The real...
- Blog posts 2007-03-07
- A terabyte of data on a regular DVD?
- This is the promise of the 3-D Optical Data Storage system developed at the University of Central Florida UCF. This technology allows to record and store at least 1,000 GB of data on multiple layers of a single disc. The system uses lasers to compact large amounts of information onto...
- Blog posts 2006-12-07
- All metals can turn black
- Researchers at the University of Rochester have found a way to change the properties of almost any metal by using a femtosecond laser pulse. This ultra-intense laser blast creates true black metal from copper, gold or zinc by forming nanostructures at the surface of the metal. As these nanostructures capture...
- Blog posts 2006-11-23
- Filming molecules of hydrogen
- I doubt that youll be able to take pictures of hydrogen molecules with your digital camera anytime soon, but German researchers at the Max Planck Institute for Nuclear Physics have done it. Theyve shot photos of a molecule of deuterium using ultrashort laser pulses. In order to do this, theyve...
- Blog posts 2006-11-09
- 3-D pictures taken inside nanocrystals
- Taking 'photographs' of individual molecules in action is probably not on the list of your next summer vacation. However, an international team of scientists from Australia, England and the U.S. has found a way to get full 3-D images of the interior of nanocrystals. Their technique, known as coherent X-ray...
- Blog posts 2006-07-06
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