Photonic cavities are an essential part of many modern optical devices, from laser pointers to microwave ovens. Just as we can store water in a tank and create standing waves on the surface of the water, we can confine light ...
Optics & Photonics
Mar 25, 2020
0
180
A biological technique used to suppress soilborne pests and pathogens already used in warmer climates, with some modifications, will work in Pennsylvania and other more northern locations, according to a team of researchers.
Plants & Animals
Mar 12, 2020
0
8
Ice on an aircraft's surfaces can be a hazard. It increases drag and fuel consumption, disrupts aerodynamic flows, and decreases lift—which impairs the aircraft's ability to fly safely. Researchers at the Fraunhofer Institute ...
Materials Science
Mar 2, 2020
0
14
zAt the Department for Materials of the ETH in Zurich, Pietro Gambardella and his collaborators investigate prospective memory devices. They should be fast, retain data reliably for a long time and also be cheap. So-called ...
Nanophysics
Feb 19, 2020
0
305
Roofs and the downwind sides of buildings in street canyons have the lowest levels of particulate matter during a single-source pollution event, according to Penn State researchers. The findings have implications for improving ...
Environment
Feb 5, 2020
0
64
When entrances to caves and mines—essential roosting places for bats—are blocked to prevent people from going inside, the gates often include a pipe to allow bats to access their roosts. However, many of the pipes have ...
Ecology
Jan 30, 2020
1
12
A new study published in the Journal for Geographical Research: Biogeosciences, led by a University of Derby academic, has shed new light on how microorganisms move through dryland landscapes attached to wind-blown dust and ...
Environment
Jan 30, 2020
0
3
Female grape berry moths are the biggest insect threat to wine grapes in the eastern U.S. The moths lay their eggs on grapes and, once hatched, the larvae penetrate the skin, then eat and damage the fruit. But no one is quite ...
Plants & Animals
Dec 10, 2019
0
5
Nuclear physics usually involves high energies, as illustrated by experiments to master controlled nuclear fusion. One of the problems is how to overcome the strong electrical repulsion between atomic nuclei which requires ...
Plasma Physics
Dec 5, 2019
2
237
When it comes to archery, choosing the right feathers for an arrow is the key to winning. This necessity for precision makes it crucial to understand how environment and design effect arrows in flight.
General Physics
Nov 24, 2019
4
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