Conventional wisdom would say that blocking a hole would prevent light from going through it, but Princeton University engineers have discovered the opposite to be true. A research team has found that placing a metal cap ...
Optics & Photonics
Nov 22, 2011
25
0
The Earth's magnetic field has reversed many times at an irregular rate throughout its history. Long periods without reversal have been interspersed with eras of frequent reversals. What is the reason for these reversals ...
Earth Sciences
Oct 24, 2011
19
2
The force is strong not only in Star Wars lore but also as a fundamental property in physics. For example, scientists can put two uncharged metal plates close together in a vacuum, and "voila!" —-they will attract each ...
Condensed Matter
Mar 4, 2019
1
2141
Like the transistors in a classical computer, superconducting qubits are the building blocks of a quantum computer. While engineers have been able to shrink transistors to nanometer scales, however, superconducting qubits ...
Condensed Matter
Jan 27, 2022
0
584
The so-called Casimir force or Casimir effect is a quantum mechanical phenomenon resulting from fluctuations in the electromagnetic field between two conducting or dielectric surfaces that are a short distance apart. Studies ...
University of Texas at Dallas physicists and their collaborators at Yale University have demonstrated an atomically thin, intelligent quantum sensor that can simultaneously detect all the fundamental properties of an incoming ...
Nanophysics
Sep 8, 2022
1
1002
How can solar energy be stored so that it can be available any time, day or night, when the sun shining or not? EPFL scientists are developing a technology that can transform light energy into a clean fuel that has a neutral ...
Optics & Photonics
Nov 11, 2012
8
1
How hard can insects bite? Having a strong chewing apparatus makes it easier to crush harder food and to succeed in fights with enemies. Biologists at the University of Bonn now present a mobile system (forceX) for measuring ...
Plants & Animals
Jun 23, 2022
1
8
(Phys.org)—Exoplanet hunters estimate that there could be billions of super-Earths—planets with a mass of up to ten times that of Earth—orbiting stars in the Milky Way alone. But do super-Earths really deserve their ...
Astronomy
Sep 25, 2012
27
0
It's easy to be a pessimist in a world full of calamities. But for those worried about the continuing availability of natural resources, data from the ocean makes a good case for optimism, says economic geologist Lawrence ...
Earth Sciences
Oct 7, 2010
18
0
