Physicists from TU Delft, ETH Zürich and the University of Tübingen have built a quantum scale heat pump made from particles of light. This device brings scientists closer to the quantum limit of measuring radio frequency ...
Optics & Photonics
Aug 26, 2022
0
1691
Imagine taking a star twice the mass of the sun and crushing it to the size of Manhattan. The result would be a neutron star—one of the densest objects found anywhere in the universe, exceeding the density of any material ...
Astronomy
Oct 17, 2022
244
898
Being able to access and download information in an instant is a hallmark of the digital age. But much of the world's knowledge remains between the pages of printed books. Tracking these volumes in libraries is a tedious, ...
Robotics
Jun 2, 2016
0
427
Light is an electromagnetic wave: It consists of oscillating electric and magnetic fields propagating through space. Every wave is characterized by its frequency, which refers to the number of oscillations per second, measured ...
Optics & Photonics
Dec 2, 2021
4
3653
(Phys.org)—Energy from the ocean, or "blue energy," is arguably the most underexploited power source, according to researchers in a new study. Although the oceans contain enough energy to meet all of the world's energy ...
You've never heard Dean Martin like this.
Optics & Photonics
Apr 25, 2019
0
1423
For "Star Wars" fans, the streaking stars seen from the cockpit of the Millennium Falcon as it jumps to hyperspace is a canonical image. But what would a pilot actually see if she could accelerate in an instant through the ...
Quantum Physics
Apr 26, 2022
3
549
(PhysOrg.com) -- An international team of scientists successfully concentrated the energy of infrared laser pulses using a nano funnel enabling them to generate extreme ultraviolet light pulses, which repeated 75 million ...
Optics & Photonics
Oct 17, 2011
7
0
Researchers in the US have, for the first time, cloaked a three-dimensional object standing in free space, bringing the much-talked-about invisibility cloak one step closer to reality.
General Physics
Jan 26, 2012
7
0
Scientists have published a new, detailed radio image of the Andromeda galaxy—the Milky Way's sister galaxy—which will allow them to identify and study the regions of Andromeda where new stars are born.
Astronomy
Jul 28, 2021
1
1682
