A donut is not a bun. From a mathematical point of view, they are two fundamentally different objects: The donut has a hole, the bun does not. A circle inside the donut around its hole in the center cannot be shrunk to a ...
Optics & Photonics
Feb 28, 2022
0
305
Particle accelerators generate high-energy beams of electrons, protons and ions for a wide range of applications, including particle colliders that shed light on nature's subatomic components, X-ray lasers that film atoms ...
General Physics
Sep 24, 2020
2
615
Nobody can shoot a bullet through a banana in such a way that the skin is perforated but the banana remains intact. However, on the level of individual atomic layers, researchers at TU Wien (Vienna) have now achieved such ...
Nanophysics
Aug 3, 2020
0
1109
Qubits, the units used to encode information in quantum computing, are not all created equal. Some researchers believe that topological qubits, which are tougher and less susceptible to environmental noise than other kinds, ...
Quantum Physics
Mar 4, 2019
0
314
(PhysOrg.com) -- CERN today announced that the Large Hadron Collider will run with a beam energy of 4 TeV this year, 0.5 TeV higher than in 2010 and 2011. This decision was taken by CERN management following the annual performance ...
General Physics
Feb 14, 2012
5
0
Researchers from Sweden's Chalmers University of Technology and the University of Gothenburg present a new method which can double the energy of a proton beam produced by laser-based particle accelerators. The breakthrough ...
General Physics
May 27, 2019
3
1819
During the last weekend (23-25 October) particles have once again entered the LHC after the one-year break that followed the incident of September 2008.
General Physics
Oct 26, 2009
2
0
Fermions are the building blocks of matter, interacting in a multitude of permutations to give rise to the elements of the periodic table. Without fermions, the physical world would not exist.
General Physics
May 13, 2015
1
2428
The Air Force says a high-powered laser has destroyed a missile in flight during a test of a national defense system off the California coast.
Engineering
Feb 14, 2010
18
0
Imagine dropping a tennis ball onto a bedroom mattress. The tennis ball will bend the mattress a bit, but not permanently—pick the ball back up, and the mattress returns to its original position and strength. Scientists ...
Materials Science
Feb 25, 2022
0
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