(PhysOrg.com) -- Researchers at Rensselaer Polytechnic Institute have developed and demonstrated a new type of light emitting diode (LED) with significantly improved lighting performance and energy efficiency.
General Physics
Jan 12, 2009
12
0
(Phys.org)—In order to prevent short circuits in batteries, porous separator membranes are often placed between a battery's electrodes. There is typically a tradeoff involved, since these separators must simultaneously ...
Transistors, the workhorses of the electronics world, are plagued by leakage current. This results in unnecessary energy losses, which is why smartphones and laptops, for example, have to be recharged so often. Tom van Hemert ...
Electronics & Semiconductors
Dec 6, 2013
1
0
A new Imperial analysis has found that biogas and biomethane, while more climate friendly, leak more than twice as much methane as previously thought.
Environment
Jun 17, 2022
1
296
(Phys.org) —Rensselaer Polytechnic Institute researchers have identified the mechanism behind a plague of LED light bulbs: a flaw called "efficiency droop" that causes LEDs to lose up to 20 percent of their efficiency as ...
General Physics
Jul 30, 2013
3
0
While the power conversion efficiency of perovskite solar cells (PVSCs)—a future of solar cells—has already greatly improved in the past decade, the problems of instability and potential environmental impact are yet to ...
Nanomaterials
Sep 21, 2020
0
56
(PhysOrg.com) -- A Cornell study's contention that hydraulic fracturing would be worse for climate change than burning coal is being challenged by another study, also by Cornell researchers.
Environment
Mar 5, 2012
6
0
Fujitsu Laboratories today announced the development of two new technologies designed to prevent the unwanted disclosure of data from lost universal serial bus (USB) memory devices and prevent uploads to file-sharing networks: ...
Hardware
Apr 17, 2009
2
0
Natural gas power plants produce substantial amounts of gases that lead to global warming. Replacing old coal-fired power plants with new natural gas plants could cause climate damage to increase over the next decades, unless ...
Environment
Dec 8, 2014
8
0
A survey of offshore installations extracting oil and natural gas in the North Sea revealed far more leakage of methane, a powerful greenhouse gas, than currently estimated by the British government, according to a research ...
Environment
Aug 15, 2019
0
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