News tagged with power system

Study claims 100 percent renewable energy possible by 2030

(PhysOrg.com) -- New research has shown that it is possible and affordable for the world to achieve 100 percent renewable energy by 2030, if there is the political will to strive for this goal.

Technology / Energy & Green Tech

created Jan 19, 2011 | popularity 4.1 / 5 (60) | comments 101 | with audio podcast report

Warning: Sunspot cycle beginning to rise

(AP) -- When the sun sneezes it's Earth that gets sick. It's time for the sun to move into a busier period for sunspots, and while forecasters expect a relatively mild outbreak by historical standards, one ...

Space & Earth / Space Exploration

created May 08, 2009 | popularity 4 / 5 (45) | comments 10

The first nuclear power plant for settlements on Moon, Mars

(PhysOrg.com) -- The first nuclear power plant being considered for production of electricity for manned or unmanned bases on the Moon, Mars and other planets may really look like it came from outer space, ...

Technology / Energy & Green Tech

created Aug 28, 2011 | popularity 4.7 / 5 (27) | comments 24 | with audio podcast

New small solid oxide fuel cell reaches record efficiency

Individual homes and entire neighborhoods could be powered with a new, small-scale solid oxide fuel cell system that achieves up to 57 percent efficiency, significantly higher than the 30 to 50 percent efficiencies ...

Technology / Energy & Green Tech

created May 31, 2012 | popularity 4.6 / 5 (24) | comments 47 | with audio podcast

The sun is a star when it comes to sustainable energy

At a national scientific meeting last week where biofuels - principally ethanol - were uniformly trashed as an environmental train wreck, one bright, carbon-free light gleamed in our energy future: the sun.

Technology / Energy & Green Tech

created Feb 25, 2009 | popularity 4.2 / 5 (25) | comments 56

Scientists discover surprise in Earth's upper atmosphere

(PhysOrg.com) -- UCLA atmospheric scientists have discovered a previously unknown basic mode of energy transfer from the solar wind to the Earth's magnetosphere. The research, federally funded by the National ...

Space & Earth / Earth Sciences

created Sep 10, 2009 | popularity 4.6 / 5 (23) | comments 5

Hydroelectric generator can be carried like a backpack

Bourne Energy, a company based in Malibu, California, specializes in a variety of hydropower systems. While most of its technology is for large-scale applications, with multiple units generating energy on ...

Technology / Energy & Green Tech

created Mar 02, 2010 | popularity 4.6 / 5 (19) | comments 1 | with audio podcast weblog

'Sleep talking' PCs save energy and money

Personal computers may soon save large amounts of energy by "sleep talking." Computer scientists at UC San Diego and Microsoft Research have created a plug-and-play hardware prototype for personal computers ...

Technology / Computer Sciences

created Apr 24, 2009 | popularity 4.8 / 5 (16) | comments 6

Canadian solar project wins top environment award

Canada has scooped a top prize for environmental protection awarded by the Austrian foundation Energy Globe for a community project that uses solar-powered heating to warm local houses.

Technology / Energy & Green Tech

created Nov 26, 2011 | popularity 4.8 / 5 (14) | comments 25

Want fuel cells? Think outside the hydrogen tank

(PhysOrg.com) -- When most people hear the words "fuel cell," they think of eco-friendly, hydrogen-powered cars that emit nothing more than water.

Technology / Energy & Green Tech

created Nov 18, 2011 | popularity 4.9 / 5 (13) | comments 18 | with audio podcast

Reliable nuclear device to heat, power Mars Science Lab

NASA's Mars Science Laboratory mission, which is scheduled to launch this week, has the potential to be the most productive Mars surface mission in history. That's due in part to its nuclear heat and power ...

Space & Earth / Space Exploration

created Nov 21, 2011 | popularity 4.8 / 5 (13) | comments 16 | with audio podcast

Miracle light: Can lasers solve the energy crisis?

Next year will mark the 50th birthday of the laser, one of the most productive and widely used mega-inventions of the last century. Scientists hope that 2010 also will see the launch of laser technology's greatest challenge: ...

Technology / Energy & Green Tech

created Dec 15, 2009 | popularity 4.4 / 5 (14) | comments 4

Secure computers aren't so secure

(PhysOrg.com) -- Even well-defended computers can leak shocking amounts of private data. MIT researchers seek out exotic attacks in order to shut them down.

Technology / Computer Sciences

created Oct 30, 2009 | popularity 4.6 / 5 (13) | comments 3

Advanced power-grid research finds low-cost, low-carbon future in West

The least expensive way for the Western U.S. to reduce greenhouse gas emissions enough to help prevent the worst consequences of global warming is to replace coal with renewable and other sources of energy ...

Technology / Energy & Green Tech

created Apr 03, 2012 | popularity 4.2 / 5 (14) | comments 73 | with audio podcast

How energy-efficient is cloud computing?

(PhysOrg.com) -- Conventionally, data storage and data processing are done at the user's own computer, using that computer's storage system and processor. An alternative to this method is cloud computing, ...

Technology / Computer Sciences

created Oct 08, 2010 | popularity 4.7 / 5 (12) | comments 2 | with audio podcast feature