News tagged with power system

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

Researchers develop method that shows diverse complex networks have similar skeletons

Northwestern University researchers are the first to discover that very different complex networks -- ranging from global air traffic to neural networks -- share very similar backbones. By stripping each network down to its ...

Technology / Computer Sciences

created Jun 01, 2012 | popularity 5 / 5 (4) | comments 4 | with audio podcast

Grid realities cancel out some of wind power's carbon savings

(Phys.org) -- Wind energy lowers carbon emissions, but adding turbines to the current grid system does not eliminate emissions proportionally, according to a report by researchers at the Argonne National Laboratory.

Technology / Energy & Green Tech

created May 30, 2012 | popularity 3.5 / 5 (6) | comments 5 | with audio podcast

Flame virus a new age cyber spy tool

The Flame computer virus that smoldered undetected for years in Middle Eastern energy facilities confirmed fears that the world has entered a new age of cyber espionage and sabotage.

Technology / Internet

created May 31, 2012 | popularity 5 / 5 (1) | comments 1

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

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

Nanocrystal-coated fibers might reduce wasted energy

(Phys.org) -- Researchers are developing a technique that uses nanotechnology to harvest energy from hot pipes or engine components to potentially recover energy wasted in factories, power plants and cars.

Nanotechnology / Nanomaterials

created Apr 17, 2012 | popularity 4.4 / 5 (9) | comments 1 | with audio podcast

Qualcomm's HaloIPT tech brings wireless charging for EVs

(PhysOrg.com) -- Qualcomm has demonstrated its new wireless power transmission system for electric vehicles (EVs) at the Consumer Electronics Show (CES). The system, including one pad for power transmitting, ...

Technology / Energy & Green Tech

created Jan 16, 2012 | popularity 4.4 / 5 (7) | comments 5 | with audio podcast report

Voice-based phone recharging

(PhysOrg.com) -- The noise that we produce can be a lot of things. It can be a valid means of communication. It can be an annoyance when you are trying to get to bed at night. It can be a migraine waiting ...

Technology / Hi Tech & Innovation

created May 10, 2011 | popularity 3.4 / 5 (5) | comments 8 | with audio podcast weblog

Bluetooth baby

Checking the heart of the unborn baby usually involves a stethoscope. However, an inexpensive and accurate Bluetooth fetal heart rate monitoring system has now been developed by researchers in India for long-term home care. ...

Technology / Other

created May 17, 2012 | popularity 5 / 5 (2) | comments 0

Solar-powered nano sensor targets gases more polluting than carbon

(PhysOrg.com) -- A solar-powered sensor station to monitor in real time the concentration of gases that are key culprits in climate change and air pollution has been installed on a QUT Gardens Point roof as ...

Technology / Engineering

created May 30, 2011 | popularity 3 / 5 (2) | comments 2 | with audio podcast

Code green: Energy-efficient programming to curb computers' power use

Soaring energy consumption by ever more powerful computers, data centers and mobile devices has many experts looking to reduce the energy use of these devices. Most projects so far focus on more efficient cooling systems ...

Technology / Computer Sciences

created May 31, 2011 | popularity 5 / 5 (1) | comments 2 | with audio podcast

Using nanophotonics to reshape on-chip computer data transmission

A team at Stanford's School of Engineering has demonstrated an ultrafast nanoscale light emitting diode (LED) that is orders of magnitude lower in power consumption than today's laser-based systems and able ...

Physics / Optics & Photonics

created Nov 15, 2011 | popularity 4.8 / 5 (11) | comments 1 | with audio podcast

NREL simulates shade conditions in repeatable test for solar arrays

The DOE's National Renewable Energy Laboratory (NREL) has released a new repeatable test protocol that simulates real shade conditions and can predict with much greater precision the effects of shade on a solar array.

Technology / Energy & Green Tech

created May 15, 2012 | popularity not rated yet | comments 0

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