Enormous efforts are being made worldwide in a technological field that could far surpass the capabilities of conventional electronics: Spintronics. Instead of operating based on the collective movement of charged particles ...
Quantum Physics
Dec 7, 2020
0
173
A simple but accurate theory of how sound interacts with small particles has been developed by theoretical physicists at RIKEN. This advance will help to improve the manipulation of microparticles by sound.
Nanophysics
Jan 24, 2020
0
288
A team of physicists at Purdue University has built the most sensitive torque measuring device ever. In their paper published in the journal Nature Nanotechnology, the team describes their new device and outline how it might ...
Physicists from the University of California, Irvine have discovered a new way to control magnets at the nanometer scale by electric current. This breakthrough, detailed in a paper published today in Nature Nanotechnology, ...
Nanophysics
Oct 30, 2018
0
227
What do fire flies, Huygens's wall clocks, and even the heart of choir singers, have in common? They can all synchronize their respective individual signals into one single unison tone or rhythm.
Nanophysics
Nov 16, 2016
0
365
Hard to unwind like knots in a rope, magnetic skyrmions are stable magnetic whirls that behave like tiny particles in magnetic thin films. These whirls, only a few nanometers in size offer great potential for next-generation ...
General Physics
Sep 16, 2015
4
171
Like an impossibly twisted telephone cord, DNA, the molecule that encodes genetic information, also often finds itself twisted into coils. This twisting, called supercoiling, is caused by enzymes that travel along DNA's helical ...
Cell & Microbiology
Jun 28, 2013
1
0
Flagellated bacteria are propelled by the rotation of helical flagellar filaments, each with a flagellar motor at its base. Taking Escherichia coli (E. coli) as an example, each cell has 3–7 flagella whose rotation as a ...
Cell & Microbiology
Nov 21, 2023
0
0
A research team, led by Professor Tetsuo Endoh at Tohoku University, has successfully developed 128Mb-density spin-transfer torque magnetoresistive random access memory (STT-MRAM) with a write speed of 14 ns for use in embedded ...
Hardware
Dec 28, 2018
0
6
Piezoelectric ultrasonic motors have two significant advantages, namely their high energy density and their simple structure, which both contribute to their miniaturization. We have built a prototype micro ultrasonic motor ...
Engineering
May 1, 2015
3
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