News tagged with capacity
'Core-Shell' Silicon Nanowires May Improve Lithium-Ion Batteries
Jan 20, 2009 |
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(PhysOrg.com) -- Researchers have found a way to incorporate silicon into the structure of rechargeable lithium-ion batteries, which are used to power a wide variety of portable electronic devices, including ...
In quantum channels, zero plus zero can equal non-zero
Oct 06, 2008 |
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(PhysOrg.com) -- Physicists have discovered a strange characteristic of quantum communication channels. If two quantum channels each have a transmission capacity of zero, they may still have a nonzero capacity ...
How did flowering plants evolve to dominate Earth?
Dec 01, 2009 |
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To Charles Darwin it was an 'abominable mystery' and it is a question which has continued to vex evolutionists to this day: when did flowering plants evolve and how did they come to dominate plant life on earth? Today a study ...
Nanotube defects equal better energy and storage systems
Nanotechnology / Nanomaterials
Nov 19, 2009 |
4.5 / 5 (11) |
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(PhysOrg.com) -- Most people would like to be able to charge their cell phones and other personal electronics quickly and not too often. A recent discovery made by UC San Diego engineers could lead to carbon ...
Hydrogen Storage Gets New Hope from Rechargeable 'Chemical Fuel Tank'
Sep 01, 2009 |
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(PhysOrg.com) -- A new method for "recycling" hydrogen-containing fuel materials could open the door to economically viable hydrogen-based vehicles.
General Electric Develops a 500GB Optical Disc
Electronics / Consumer & Gadgets
Apr 27, 2009 |
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(PhysOrg.com) -- G.E. has unveiled a 500 GB micro-holographic disc that is the same size as existing DVD's. The storage capacity is equivalent to 100 DVD's and is aimed at the archive industry but eventually ...
250 DVDs on a quarter: New method of self-assembling nanoscale elements could transform data storage industry
Feb 19, 2009 |
4.5 / 5 (35) |
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(PhysOrg.com) -- An innovative and easily implemented technique in which nanoscale elements precisely assemble themselves over large surfaces could soon open doors to dramatic improvements in the data storage ...
Dutch approve project to store CO2 underground
Nov 18, 2009 |
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The Dutch government said Wednesday it had approved the experimental below-ground storage of excess CO2 to curb damaging emissions, dismissing concerns of residents who live on top of the project.
Researchers Develop Material That Could Boost Data Storage, Save Energy
Nanotechnology / Nanomaterials
Oct 20, 2009 |
4.5 / 5 (18) |
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(PhysOrg.com) -- North Carolina State University engineers have created a new material that would allow a fingernail-size computer chip to store the equivalent of 20 high-definition DVDs or 250 million pages of text, far ...
Beep, beep, oops, what was I doing? (w/ Video)
Medicine & Health / Neuroscience
Aug 06, 2009 |
3.8 / 5 (8) |
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"That blasted siren. I can't focus." That reaction to undesired distraction may signal a person's low working-memory capacity, according to a new study.
Remembering what to remember and what to forget
Medicine & Health / Psychology & Psychiatry
Jun 25, 2009 |
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People in very early stages of Alzheimer's disease already have trouble focusing on what is important to remember, a UCLA psychologist and colleagues report.
Scientists identify key factors in heart cell creation
Apr 26, 2009 |
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Scientists at the Gladstone Institute of Cardiovascular Disease have identified for the first time key genetic factors that drive the process of generating new heart cells. The discovery, reported in the current ...
Report: Amazon's $359 Kindle 2 costs $185 to make
Electronics / Consumer & Gadgets
Apr 22, 2009 |
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(AP) -- If you aren't sure whether Amazon.com Inc.'s latest Kindle electronic reading device is worth its $359 price tag, an analysis by research firm iSuppli may shed some light.
Virus battery could power cars, electronic devices
Nanotechnology / Nanomaterials
Apr 02, 2009 |
4.5 / 5 (8) |
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For the first time, MIT researchers have shown they can genetically engineer viruses to build both the positively and negatively charged ends of a lithium-ion battery.
Exercise intensity and duration linked to improved outcomes for heart failure patients
Mar 30, 2009 |
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The level of exercise is linked with the reduction of hospitalization and death in patients with chronic heart failure, according to a Henry Ford Hospital study.
