Digital transistors—assembled by the billions in today's computer chips—act as near-perfect electronic switches. In the "on" position, achieved when an above-threshold voltage is applied to the device, the transistor ...
General Physics
Jul 30, 2021
0
378
Boiling is not just for heating up dinner. It's also for cooling things down. Turning liquid into gas removes energy from hot surfaces, and keeps everything from nuclear power plants to powerful computer chips from overheating. ...
General Physics
Jul 8, 2021
0
259
As pervasive as they are in everyday uses, like encryption and security, randomly generated digital numbers are seldom truly random.
General Physics
Jun 29, 2021
0
264
About 2.2 billion people globally lack reliable access to clean drinking water, according to the United Nations, and the growing impacts of climate change are likely to worsen this reality.
General Physics
Jun 22, 2021
1
268
Ceramic materials that are resistant to cracking are used in a variety of industries from aerospace engineering to dentistry. Toughening them to improve their efficiency and safety is therefore an important area of investigation. ...
Condensed Matter
Jun 9, 2021
0
0
Smaller, faster, more energy-efficient: future requirements to computing and data storage are hard to fulfill and alternative concepts are continuously explored. Small magnetic textures, so-called skyrmions, may become an ...
Nanophysics
May 12, 2021
0
99
Achieving the immense promise of quantum computing requires new developments at every level, including the computing hardware itself. A Lawrence Berkeley National Laboratory (Berkeley Lab)-led international team of researchers ...
Optics & Photonics
Apr 28, 2021
0
1488
A wide variety of portable and wearable electronics have become a large part of our daily lives, so a group of Stanford University researchers wondered if these could be powered by harvesting electricity from the waste heat ...
Nanophysics
Apr 27, 2021
0
23
Since the beginning of civilization, humans have exploited new materials to improve their lives, from the prehistoric Stone Age, Bronze Age, and Iron Age to the modern Silicon Age. With each period came technological breakthroughs ...
Analytical Chemistry
Apr 23, 2021
0
14
As artificial intelligence has attracted broad interest, researchers are focused on understanding how the brain accomplishes cognition so they can construct artificial systems with general intelligence comparable to humans' ...
General Physics
Apr 20, 2021
0
355
