By using sound waves to push and pull matter like science fiction tractor beams, scientists have developed "acoustic tweezers" that can manipulate blood cells and microscopic worms on a platform the size of a dime.
General Physics
Jun 26, 2012
2
0
In nature, waves – such as those in the ocean – begin as local oscillations in the water that spread out, ripple fashion, from their point of origin. But fans of Star Trek will recall a different sort of wave pattern: ...
General Physics
Oct 1, 2014
0
0
Atoms, molecules or even living cells can be manipulated with light beams. At TU Wien a method was developed to revolutionize such "optical tweezers".
Optics & Photonics
Nov 19, 2019
0
75
(Phys.org)—New York University physicists have created a tractor beam capable of pulling particles micrometers in size. This so-called optical conveyor tractor beam, reported in the journal Physical Review Letters, has ...
General Physics
Nov 15, 2012
0
1
This weekend, a Chinese rocket booster, weighing nearly 23 tons, came rushing back to Earth after spending more than a week in space—the result of what some critics, including NASA Administrator Bill Nelson, have attributed ...
Space Exploration
May 13, 2021
0
12
A new prototype system that monitors the number and type of tractor-trailers moving through a region could help transportation planners identify and prioritize infrastructure projects and increase operational efficiency.
Engineering
Feb 11, 2019
0
4
