Terahertz radiation, whose wavelengths lie between those of microwaves and visible light, can penetrate many nonmetallic materials and detect signatures of certain molecules. These handy qualities could lend themselves to ...
Nanophysics
Nov 7, 2022
0
526
(PhysOrg.com) -- Perhaps the most astonishing and revolutionary discovery in cosmology was Edwin Hubble's observation that galaxies are moving away from us with velocities that are proportional to their distances.
Astronomy
Dec 12, 2011
36
0
In his quest to bring ever-faster cameras to the world, Caltech's Lihong Wang has developed technology that can reach blistering speeds of 70 trillion frames per second, fast enough to see light travel. Just like the camera ...
Optics & Photonics
Oct 16, 2020
2
2877
(Phys.org) -- A team of astronomers have used the United Kingdom Infrared Telescope (UKIRT) on Hawaii to discover four pairs of stars that orbit each other in less than 4 hours. Until now it was thought that such close-in ...
Astronomy
Jul 5, 2012
18
0
(PhysOrg.com) -- Resembling looming rain clouds on a stormy day, dark lanes of dust crisscross the giant elliptical galaxy Centaurus A.
Astronomy
Jan 4, 2012
0
0
When a couple of plucky graduate students took the first picture with their pieced-together microscope, it turned out better than they'd hoped. Sure, there was a hole in one section and another was upside down—but they ...
Optics & Photonics
Mar 20, 2023
0
288
(PhysOrg.com) -- University of Michigan astronomers examined old galaxies and were surprised to discover that they are still making new stars. The results provide insights into how galaxies evolve with time.
Astronomy
May 30, 2011
6
0
Terahertz (THz) radiation is electromagnetic radiation ranging from frequencies of 0.1 THz to 10 THz, with wavelengths between 30μm and 3mm. Reliably detecting this radiation could have numerous valuable applications in ...
NASA's Lunar Reconnaissance Orbiter (LRO) spacecraft has far exceeded its planned mission duration, revealing that the Moon holds surprises: ice deposits that could be used to support future lunar exploration, the coldest ...
Space Exploration
Feb 11, 2021
0
1321
Apple's iPhone 7 Plus is getting a new camera capability—the blurring of backgrounds to focus attention on people or other objects in the foreground.
Consumer & Gadgets
Oct 24, 2016
0
127
