When an ordinary electrical conductor—such as a metal wire—is connected to a battery, the electrons in the conductor are accelerated by the electric field created by the battery. While moving, electrons frequently collide ...
Nanophysics
12 hours ago
0
69
In July 2018, a century-old red oak went live on Twitter. The account @awitnesstree, tweeting from the Harvard Forest in Petersham, Massachusetts, introduces itself in its bio:
Ecology
Oct 12, 2021
0
18
A team of scientists at the University of Massachusetts Amherst have developed the thinnest and most sensitive flow sensor, which could have significant implications for medical research and applications, according to new ...
Nanophysics
Mar 22, 2021
0
129
After nearly a year of trying to dig into the Martian surface, the heat probe belonging to NASA's InSight lander is about to get a push. The mission team plans to command the scoop on InSight's robotic arm to press down on ...
Space Exploration
Feb 21, 2020
5
722
As a fighter jet quickly ascends and accelerates forward, a sonic boom reverberates across the jet's surface and through the surrounding sound waves. At best, it's unpleasant noise pollution. At worst, it can damage the surface ...
General Physics
Sep 19, 2019
0
4
Researchers at the University of Warwick have been inspired by the unique movement of trembling aspen leaves, to devise an energy harvesting mechanism that could power weather sensors in hostile environments and could even ...
General Physics
Mar 18, 2019
0
84
On 28 February 2019, 'Mole' fully automatically hammered its way into the Martian subsurface for the first time. In a first step, it penetrated to a depth between 18 and 50 centimetres into the Martian soil with 4000 hammer ...
Space Exploration
Mar 4, 2019
0
122
The presence of uranium in groundwater can lead to severe health problems, from renal failure to cancer. Standard methods to detect uranium involve time-consuming processes and expensive, non-portable equipment. Measurements ...
Nanomaterials
Nov 2, 2018
0
95
MIT neuroscientists have developed a new magnetic resonance imaging (MRI) sensor that allows them to monitor neural activity deep within the brain by tracking calcium ions.
Bio & Medicine
Apr 30, 2018
0
214
VTT Technical Research Centre of Finland and Fläkt Woods Oy have developed a flow sensor that enables ventilation to adapt to actual demand, thereby improving indoor air quality and energy efficiency. The flow control utilises ...
Engineering
Aug 24, 2017
0
1
