Invisibility is a superior self-protection strategy of long-standing interest in academia and industry, although the concept is thus far most popularly encountered in science fiction. In a new report on Science Advances, ...
Stealth technology, the idea of reducing the ability of the enemy to detect an object, has driven advances in military research for decades. Today, aircraft, naval ships and submarines, missiles and satellites are often covered ...
General Physics
May 27, 2020
0
99
When you knock on a melon to see if it's ripe, you are using sound waves to probe the structure of the material inside. Physicists at the University of Chicago were using the same concept to explore how sound waves travel ...
General Physics
Feb 3, 2020
0
1531
Two teams of researchers, one in Korea, the other China, have devised two different types of invisibility cloaks for water applications. Both teams have published papers describing their work in the journal Physical Review ...
Whether Harry Potter's invisibility cloak, which perfectly steers light waves around objects to make them invisible, will ever become reality remains to be seen, but perfecting a more crucial cloak is impossible, a new study ...
General Physics
Jun 7, 2019
2
111
The ability to hide an arbitrary object with a cloak at a distance from the object is a unique task in photonics research, although the phenomenon is yet to be realized in practice. In a recent study now published in Light: ...
How can you make a high-frequency MRI machine more precise? By taking an electrical engineering approach to creating a better, uniform magnetic field.
General Physics
Oct 31, 2018
0
88
Researchers and engineers have long sought ways to conceal objects by manipulating how light interacts with them. A new study offers the first demonstration of invisibility cloaking based on the manipulation of the frequency ...
Optics & Photonics
Jun 28, 2018
2
1353
Cloaking is one of the most eye-catching technologies in sci-fi movies. In two 2018 Marvel films, Black Panther and Avengers: Infinity War, the fiction country Wakanda, a technologically advanced African nation, is shielded ...
General Physics
Jun 5, 2018
0
13
Ever heard of the invisibility cloak? It manipulates how light travels along the cloak to conceal an object placed behind it. Similarly, the thermal cloak is designed to hide heated objects from infrared detectors without ...
Nanophysics
Dec 4, 2017
0
6
