Solar cells can now be made so thin, light and flexible that they can rest on a soap bubble. The new cells, which efficiently capture energy from light, could offer an alternative way to power novel electronic devices, such ...
Materials Science
Aug 27, 2020
1
255
Accurately measuring electric fields is important in a variety of applications, such as weather forecasting, process control on industrial machinery, or ensuring the safety of people working on high-voltage power lines. Yet ...
Engineering
Jan 25, 2018
0
638
Reliability measures of electrical grid has risen to a new norm as it involves physical security and cybersecurity. Threats to either can trigger instability, leading to blackouts and economic losses.
Energy & Green Tech
Feb 10, 2017
1
138
Using maths previously applied to traffic jams and electrical grids, researchers have developed a new method to map signal propagation in proteins.
Cell & Microbiology
Aug 26, 2016
0
13
Human voices are individually recognizable because they're generated by the unique components of each person's voice box, pharynx, esophagus and other physical structures.
Energy & Green Tech
Feb 29, 2016
12
77
EPFL researchers have come up with a method to determine the exact location of short circuits in a power grid. This is an important step towards operating complex power grid topologies that enable the massive integration ...
Energy & Green Tech
Nov 10, 2015
66
69
The Earth's magnetic field – known as the "magnetosphere" – protects our atmosphere from the "solar wind." That's the constant stream of charged particles flowing outward from the sun. When the magnetosphere shields Earth ...
Space Exploration
Aug 17, 2015
8
92
The worldwide demand for solar and wind power continues to skyrocket. Since 2009, global solar photovoltaic installations have increased about 40 percent a year on average, and the installed capacity of wind turbines has ...
Energy & Green Tech
Mar 20, 2014
22
0
(Phys.org) —On a warm afternoon in August 2003, in rural Ohio, a high-voltage power line brushed against some untrimmed tree limbs. The action tripped a relay that immediately shut off the power it was carrying. As system ...
Energy & Green Tech
Feb 3, 2014
1
0
Imagine a generator pumping more electricity than a nuclear power plant into the grid, but inconsistently and without the grid's caretakers being able to see what it was doing. How could they maintain the critical balance ...
Energy & Green Tech
Jan 27, 2014
0
0
