The obvious drawback of solar panels is that they require sunlight to generate electricity. Some have observed that for a device on Earth facing space, which has a frigid temperature, the chilling outflow of energy from the ...
General Physics
May 6, 2019
7
5757
Engineers must manage a maelstrom in the core of operating nuclear reactors. Nuclear reactions deposit an extraordinary amount of heat in the fuel rods, setting off a frenzy of boiling, bubbling, and evaporation in surrounding ...
General Physics
Apr 23, 2019
0
69
Beneath many cities are complex networks of optical fibres that carry data, encoded in pulses of light, to offices and homes. Researchers from the National University of Singapore (NUS) and Singtel, Asia's leading communications ...
Optics & Photonics
Apr 5, 2019
0
298
In the future, ultrahigh-speed spintronics will require ultrafast coherent magnetization reversal within a picosecond—one-trillionth of a second. Spintronics centers on an electron's spin and magnetic moment in solid-state ...
Optics & Photonics
Mar 28, 2019
0
9
Researchers at the University of Warwick have been inspired by the unique movement of trembling aspen leaves, to devise an energy harvesting mechanism that could power weather sensors in hostile environments and could even ...
General Physics
Mar 18, 2019
0
84
Smartphones contain billions of tiny switches called transistors that allow us to take care of myriad tasks beyond making calls—sending texts, navigating neighborhoods, snapping selfies and Googling names. These switches ...
Nanophysics
Mar 13, 2019
0
110
For the first time, researchers have demonstrated a new way to perform functions essential to future computation three orders of magnitude faster than current commercial devices. The team lead by Associate Professor Shinobu ...
General Physics
Mar 5, 2019
0
35
Electronic devices such as transistors are getting smaller and will soon hit the limits of conventional performance based on electrical currents.
General Physics
Mar 4, 2019
0
783
Astronomers need ever more sensitive detectors to broaden their understanding of the universe. Microwave kinetic inductance detectors (MKID) could make far-infrared telescopes 1 million times more sensitive. Scientists from ...
General Physics
Mar 1, 2019
0
59
Deep ultraviolet light-emitting diodes (DUV-LEDs) made from aluminium gallium nitride (AlGaN) efficiently transfer electrical energy to optical energy due to the growth of one of its bottom layers in a step-like fashion. ...
Nanomaterials
Feb 22, 2019
0
28
