The remarkable strength of ionic crystals is easily explained at the atomic scale: Positively and negatively charged atoms sit side by side in a repeating periodic arrangement. The strong electrostatic force in between keeps ...
Materials Science
Feb 2, 2018
0
59
Current textbooks often refer to the Lorentz-Maxwell force governed by the electric charge. But they rarely refer to the extension of that theory required to explain the magnetic force on a point particle. For elementary ...
General Physics
Jan 29, 2018
10
47
Researchers at MIT have developed a process that can produce ultrafine fibers—whose diameter is measured in nanometers, or billionths of a meter—that are exceptionally strong and tough. These fibers, which should be inexpensive ...
Nanomaterials
Jan 5, 2018
0
241
A new review indicates that flowers may be able to manipulate the laws of physics, by playing with light, using mechanical tricks, and harnessing electrostatic forces to attract pollinators.
Plants & Animals
Dec 5, 2016
0
27
Our world is ruled by four fundamental forces: the gravitational pull of massive objects, the electromagnetic interaction between electric charges, the strong nuclear interaction holding atomic nuclei together and the weak ...
Quantum Physics
Nov 19, 2015
85
346
Scientists of research institute MESA+ of Twente University have developed a technology for contactless deposition of liquids at nanoscale. In doing so, they make use of an electric field. Their technology will lead to new ...
Nanophysics
Oct 2, 2015
0
55
(Phys.org)—A small team of researchers at IBM Research–Zürich, has found a new way to measure the friction involved when two planes of highly ordered pyrolytic graphite (HOPG) are moved against one another. In their ...
Leading Edge Asynchronous Propeller Technology (LEAPTech) project researchers at NASA's Armstrong Flight Research Center are performing ground testing of a 31-foot-span, carbon composite wing section with 18 electric motors.
Space Exploration
Apr 6, 2015
2
25
Pietro Valdastri is convinced that the clever application of magnetic force can make minimally invasive surgery easier and more effective.
Robotics
Mar 2, 2015
0
18
ICN2 Oxide Nanoelectronics Group has obtained conductivity values for stroncium iridate 250 times higher than in normal conditions by pressing it with nanometric needles. The results, published in Nanoscale, were obtained ...
Nanophysics
Feb 17, 2015
0
13
