Save
Email
Print
Share
RSSBrowse News Stories
131 to 140 of 433 stories
view headlines only
-
Smartphones as Helpers During Disasters: Software for Autonomous Smartphone Network Developed
September 7, 2011 — Scientists have developed software, with which smartphones can automatically and autonomously organize an energy-efficient, ad-hoc network. Rapid organization of such a communications network can be ... > full story -
Solar Industry Responsible for Lead Emissions in Developing Countries, Research Finds
August 31, 2011 — Solar power heavily reliant on lead batteries has the potential to release more than 2.4 million tons of lead pollution in China and India, according to new ... > full story -
Hydrogen Powered Prototype Vessel for Inland Waterways: Canal Boat Runs on Fuel Cell Drive
August 31, 2011 — Researchers have been operating a canal boat with a fuel cell drive for three years now. In the world of shipbuilding, however, different rules apply than those in the automobile manufacturing ... > full story -
Human Gait Could Soon Power Portable Electronics
August 23, 2011 — In a new paper, researchers describe a new energy-harvesting technology that promises to dramatically reduce our dependence on batteries and instead capture the energy of human motion to power ... > full story -
Nano Bundles Pack a Powerful Punch: Solid-State Energy Storage Takes a Leap Forward
August 22, 2011 — Researchers have created a solid-state, nanotube-based supercapacitor that promises to combine the best qualities of high-energy batteries and fast-charging capacitors in a device suitable for ... > full story -
Working Towards Replacing Platinum in Fuel Cells: Performance of Iron-Based Catalysts Improved
August 10, 2011 — Researchers have developed a new and improved iron-based catalyst capable of generating even more electric power in fuel cells for transportation applications. Previously, only platinum-based ... > full story -
Hybrid Solar System Makes Rooftop Hydrogen
August 9, 2011 — While roofs across the world sport photovoltaic solar panels to convert sunlight into electricity, an engineer believes a novel hybrid system can wring even more useful energy out of the sun's rays. ... > full story -
Sun-Free Photovoltaics: Materials Engineered to Give Off Precisely Tuned Wavelengths of Light When Heated
July 30, 2011 — A new photovoltaic energy-conversion system can be powered solely by heat, generating electricity with no sunlight at all. While the principle involved is not new, a novel way of engineering the ... > full story -
Scientists Build Battery in a Nanowire: Hybrid Energy Storage Device Is as Small as It Can Possibly Get
July 29, 2011 — Scientists have packed an entire lithium ion energy storage device into a single nanowire. The researchers believe their creation is as small as such devices can possibly get, and could be valuable ... > full story -
Graphene Nanocomposite a Bridge to Better Batteries
July 27, 2011 — Researchers have built a high-capacity energy storage device for lithium ion batteries by constructing a unique nanoscale sandwich of graphene and tin. The device is engineered to improve ... > full story
Search ScienceDaily
Number of stories in archives: 137,088
more 