Mohan Edirisinghe leads a team of researchers at University College London studying the fabrication of polymeric nanofibers and microfibers—very thin fibers made up of polymers. The group describes a study comparing fabrication ...
Polymers
Oct 15, 2019
0
57
Experimental physicist Prof. Thomas Zentgraf and his two colleagues from the University of Birmingham, Dr. Guixin Li and Prof. Shuang Zhang, have for the first time proved experimentally the nonlinear rotational Doppler effect ...
General Physics
Mar 24, 2016
5
287
(Phys.org)—This movie from NASA's Chandra X-ray Observatory shows a fast moving jet of particles produced by a rapidly rotating neutron star, and may provide new insight into the nature of some of the densest matter in ...
Astronomy
Jan 8, 2013
6
0
(Phys.org)—Oh, no. Not another reason to count your smartphone blessings? To feel so lucky to have a phone loaded with accelerometer and GPS? Oh, yes. Engineers at UK-based Cambridge Consultants have developed electronic ...
Wind turbines have a problem: Depending on the wind's force, the rotational speed of the turbine and thus of the generator changes. However, alternating current must be fed into the grid with precisely 50 (or 60) hertz. Typically ...
Energy & Green Tech
Feb 23, 2011
7
1
Peering deep into the infancy of the universe, the European Southern Observatory's Very Large Telescope (VLT) recently confirmed the discovery of the brightest and fastest growing quasar. Quasars are luminous objects in the ...
Astronomy
Feb 28, 2024
0
64
Sunsets provide some of the most beautiful natural imagery anywhere on Earth. People flock from all over to see sunsets at specific places at specific times, such as when they perfectly align down a street in Manhattan. But ...
Planetary Sciences
Mar 20, 2023
0
31
One of the most intriguing predictions of Einstein's general theory of relativity is the existence of black holes: astronomical objects with gravitational fields so strong that not even light can escape them.
Astronomy
Feb 9, 2023
90
115
There are two main approaches that humanity can take to living in space. The one more commonly portrayed is colonizing other celestial bodies such as the moon and Mars. That approach comes with some major disadvantages, including ...
Space Exploration
Sep 21, 2020
3
315
An international research team at the Swiss Light Source (SLS) has set a new tomography world record using a rotary sample table developed at the HZB. With 208 three-dimensional tomographic X-ray images per second, they were ...
Optics & Photonics
Aug 21, 2019
0
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