Technology to measure the flow of subatomic particles known as antineutrinos from nuclear reactors could allow continuous remote monitoring designed to detect fueling changes that might indicate the diversion of nuclear materials. ...
General Physics
Aug 6, 2019
1
367
Designing a heat engine that can produce maximum power at maximum efficiency is a major challenge. Practical heat engines are limited to a theoretical efficiency called the Carnot limit, which sets a cap on how much heat ...
General Physics
Nov 1, 2023
0
58
(Phys.org) —Harish Krishnaswamy, assistant professor of electrical engineering at Columbia Engineering, has generated a record amount of power output—by a power of five—using silicon-based nanoscale CMOS (complementary ...
Electronics & Semiconductors
Apr 25, 2013
1
0
With the growth of the Internet of Things, sustainable solutions for powering wireless sensors and devices are considered important. Thermoelectric generators, for example, which have the ability to convert waste heat into ...
Nanomaterials
May 21, 2024
0
10
To integrate volatile renewable sources into the energy supply, capacities of the power grid have to be increased. The need for new lines can be reduced by better utilization of existing lines as a function of weather conditions. ...
Energy & Green Tech
May 6, 2019
0
49
Over half the time (61.4 percent) that electric vehicles spend connected to public charging stations, they're idly occupying a space that another car could use, according to a JRC-led study of e-vehicle charging times in ...
Energy & Green Tech
May 6, 2019
0
9
Siemens is building power converter stations for a high-voltage direct current (HVDC) transmission system with a record capacity of 2 x 1,000 megawatts. Beginning in 2013 the new HVDC PLUS technology will transmit 2,000 megawatts ...
Energy & Green Tech
May 3, 2011
1
0
Diamond is a particularly interesting material for this type of laser for two key reasons. Its high thermal conductivity means it is possible to make miniature lasers that simultaneously have high stability and high power. ...
Optics & Photonics
Mar 4, 2020
3
63
New research from the laboratory of Ozgur Sahin, associate professor of biological sciences and physics at Columbia University, shows that materials can be fabricated to create soft actuators—devices that convert energy ...
Materials Science
May 23, 2019
0
118
China will press ahead with its multi-billion-dollar financing of coal plants in developing countries, a top climate official said Tuesday, despite Beijing's stated aim of slashing carbon emissions.
Environment
Apr 27, 2021
2
29
