Save
Email
Print
Share
RSSBrowse News Stories
91 to 100 of 459 stories
view headlines only
-
Power Without the Cord for Small Devices
April 11, 2012 — Cell phones and flashlights operate by battery without trouble. Yet because of the limited lifespan, battery power is not a feasible option for many applications in the fields of medicine or test ... > full story -
Sulfur in Every Pore: Improved Batteries With Carbon Nanoparticles
April 10, 2012 — Lithium-sulfur batteries may be the power storage devices of the future. Newly developed porous nanoparticles containing sulfur deliver optimized battery ... > full story -
Free Apps Drain Smartphone Energy on 'Advertising Modules'
April 4, 2012 — Researchers have shown that popular free smartphone apps spend up to 75 percent of their energy tracking the user's geographical location, sending information about the user to advertisers and ... > full story -
Energy and the Environment
Energy Technology
Renewable Energy
Fuel Cells
Electricity
Environmental Science
Electricity and Carbon Dioxide Used to Generate Alternative Fuel
March 29, 2012 — Imagine being able to use electricity to power your car and it's not an electric vehicle. Researchers have for the first time demonstrated a method for converting carbon dioxide into liquid fuel ... > full story -
Brown Liquor and Solar Cells to Provide Sustainable Electricity
March 22, 2012 — A breakthrough for inexpensive electricity from solar cells, and a massive investment in wind power, will mean a need to store energy in an intelligent way. According to new research batteries of ... > full story -
Nanopower: Avoiding Electrolyte Failure in Nanoscale Lithum Batteries
March 21, 2012 — It turns out you can be too thin -- especially if you're a nanoscale battery. Researchers have built a series of nanowire batteries to demonstrate that the thickness of the electrolyte layer can ... > full story -
Silicon-Carbon Electrodes Snap, Swell, Don't Pop
March 14, 2012 — A new study that examines a new type of silicon-carbon nanocomposite electrode reveals details of how they function and how repeated use could wear them down. The study also provides clues to why ... > full story -
Body Clocks May Hold Key for Treatment of Bipolar Disorder
March 13, 2012 — Scientists have gained insight into why lithium salts are effective at treating bipolar disorder in what could lead to more targeted therapies with fewer ... > full story -
Origami-Inspired Paper Sensor Could Test for Malaria and HIV for Less Than 10 Cents, Report Chemists
March 8, 2012 — Inspired by the paper-folding art of origami, chemists have developed a 3-D paper sensor that may be able to test for diseases such as malaria and HIV for less than 10 cents a pop. The sensors can be ... > full story -
Less Is More in Piezoelectric Energy Harvesting: Piezoelectric Materials Convert Electrical Energy Into Strain, or Vice Versa
March 2, 2012 — Piezoelectric materials convert electrical energy into strain, or vice versa. These materials are used to harvest energy from everyday mechanical vibrations -- such as an air conditioning unit ... > full story
Search ScienceDaily
Number of stories in archives: 137,172
more 