(PhysOrg.com) -- Researchers at Louisiana State University have invented an optical sensor that surpasses a quantum limit to sensitivity previously believed to be unbeatable. The breakthrough has a broad array of applications, ...
Quantum Physics
Mar 16, 2010
16
0
(AP) -- It always falls down. That's how the apple helped Isaac Newton.
Other
Jan 18, 2010
4
0
During its first year of operations, NASA's Fermi Gamma Ray Space Telescope mapped the extreme sky with unprecedented resolution and sensitivity. It captured more than one thousand discrete sources of gamma rays -- the highest-energy ...
Astronomy
Oct 28, 2009
5
0
Quantum mechanics and Einstein's theory of general relativity are both extremely accurate theories of how the universe works, but all attempts to combine the two into a unified theory have ended in failure. When physicists ...
Quantum Physics
Aug 17, 2009
2
0
(AP) -- The family of physicist Stephen Hawking expects him to recover fully from a chest infection that has left him hospitalized, Cambridge University said Tuesday.
Other
Apr 21, 2009
2
0
The general theory of relativity is based on the concept of curved space–time. To describe how the energy and momentum of fields are distributed in space–time, as well as how they interact with the gravitational field, ...
General Physics
Jan 18, 2024
7
208
The theory of relativity is at once simple and elegant but also maddeningly nonintuitive. There's no need to get into the full guts and glory of that theory here, but there is one feature of Einstein's work that takes center ...
General Physics
Nov 10, 2023
45
117
Einstein's theory of gravity—general relativity—has been very successful for more than a century. However, it has theoretical shortcomings. This is not surprising: the theory predicts its own failure at spacetime singularities ...
General Physics
Sep 25, 2023
90
1036
A recent Nature publication continues to generate headlines over its findings that scientists from the California Institute of Technology developed a model of a traversable wormhole on the Google Sycamore quantum processing ...
Quantum Physics
Dec 22, 2022
1
29
As an astronomer, there is no better feeling than achieving "first light" with a new instrument or telescope. It is the culmination of years of preparations and construction of new hardware, which for the first time collects ...
Astronomy
Oct 29, 2019
27
232
