Sound-redirecting prototype could fool eavesdroppers
Tuning the instruments that produce some of our most indelible sound waves—guitars, pianos, vocal chords—has become commonplace, expected, easy.
Tuning the instruments that produce some of our most indelible sound waves—guitars, pianos, vocal chords—has become commonplace, expected, easy.
General Physics
Nov 12, 2019
0
32
Metal nanoparticles have a wide range of applications, from medicine to catalysis, from energy to the environment. But the fundamentals of adsorption—the process allowing molecules to bind as a layer to a solid surface—in ...
Nanomaterials
Sep 18, 2019
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51
The integration of metal-organic frameworks (MOFs) and other metal nanoparticles has increasingly led to the creation of new multifunctional materials. Many researchers have integrated MOFs with other classes of materials ...
Materials Science
Sep 2, 2019
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167
How do cells generate and use energy? This question might seem simple, but the answer is far from simple. Furthermore, knowing how microbial cell factories consume energy and how proteins are allocated to do so is crucial ...
Cell & Microbiology
Aug 23, 2019
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271
Some math problems are so complicated that they can bog down even the world's most powerful supercomputers. But a wild new frontier in computing that applies the rules of the quantum realm offers a different approach.
Quantum Physics
Aug 1, 2019
2
268
A ground-breaking study conducted by researchers from the National University of Singapore (NUS) has revealed a method of using quantum mechanical wave theories to "lock" heat into a fixed position.
General Physics
Jul 10, 2019
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7636
Computers didn't start in Silicon Valley. They started here," in Philadelphia, says Jim Scherrer.
Computer Sciences
Jun 19, 2019
2
8
The unmanned aircraft known as drones, used by hobbyists, researchers and industry to take aerial images and perform other tasks, are growing ever more popular—and smaller. But that miniaturization, which has produced drones ...
Engineering
Jun 18, 2019
0
11
In a small, square room walled by four feet of concrete, the air smells as if a lightning storm just passed through—crisp and acrid, like cleaning supplies. Outside, that's the smell of lightning ripping apart oxygen in ...
Space Exploration
Jun 11, 2019
14
158
Shortly after the start of the new year, Americans around the nation will start returning to polling stations to vote in presidential primaries. How confident they feel in the voting process could depend on something called ...
Computer Sciences
Jun 6, 2019
5
7