Using the same mathematical framework as the Rochester Cloak, researchers at the University of Rochester have been able to use flat screen displays to extend the range of angles that can be hidden from view. Their method ...
Optics & Photonics
May 19, 2016
0
49
Most people know about solids, liquids, and gases as the main three states of matter, but a fourth state of matter exists as well. Plasma—also known as ionized gas—is the most abundant, observable form of matter in our ...
Plasma Physics
Mar 4, 2024
0
63
Most evolutionary biologists distinguish one species from another based on reproductivity: members of different species either won't or can't mate with one another, or, if they do, the resulting offspring are often sterile, ...
Plants & Animals
Jan 3, 2019
0
11
A team from the University of Rochester has shown that fluctuations in "twisted light" could be exploited for a range of applications, from detecting rotating black holes to object detection by lidar, the light-equivalent ...
General Physics
Apr 8, 2016
0
673
About 2 billion years ago, an impactor hurtled toward Earth, crashing into the planet in an area near present-day Johannesburg, South Africa. The impactor—most likely an asteroid—formed what is today the biggest crater ...
Planetary Sciences
Sep 26, 2022
0
626
Opposing thumbs, expressive faces, complex social systems: it's hard to miss the similarities between apes and humans. Now a new study with a troop of zoo baboons and lots of peanuts shows that a less obvious trait—the ...
Plants & Animals
May 3, 2013
4
0
A new type of nanoscale engine has been proposed that would use quantum dots to generate electricity from waste heat, potentially making microcircuits more efficient.
Nanophysics
Feb 14, 2013
1
0
Scientists are finding that particles that are barely there – tiny objects known as nanoparticles that have found a home in electronics, food containers, sunscreens, and a variety of applications – can breech our most ...
Bio & Medicine
Sep 30, 2008
2
0
Cells in the human body are constantly being exposed to stress from environmental chemicals or errors in routine cellular processes. While stress can cause damage, it can also provide the stimulus for undoing the damage. ...
Biotechnology
Jun 16, 2011
10
0
Volcanic hot spots such as the ones that created the Hawaiian Islands have long been considered stationary points, created by processes deep within the earth's interior.
Earth Sciences
Aug 1, 2019
2
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