Echolocation is a powerful technique that uses sound or ultrasound waves to locate objects and surfaces. Ships and submarines, for example, use it to avoid collisions, and dolphins and microbats use it to locate prey (see ...
General Physics
May 8, 2013
0
0
(Phys.org) -- In a cover article in The Journal of Applied Physics, a team of Penn State researchers has designed and computationally tested a type of manmade metamaterial capable for the first time of manipulating a variety ...
Optics & Photonics
Aug 9, 2012
2
0
Scientists from the University of Illinois at Urbana-Champaign and the company Dioxide Materials have demonstrated that randomly stacked graphene flakes can make an effective chemical sensor.
Nanomaterials
Jan 17, 2012
0
0
The precise blending of tiny particles and multicolor dyes transforms gelatin into a realistic surrogate for human tissue. These tissue mimics, known as "phantoms," provide an accurate proving ground for new photoacoustic ...
Optics & Photonics
Nov 30, 2011
0
0
University of Illinois physicists have experimentally demonstrated for the first time how three-dimensional conduction is affected by the defects that plague materials. Understanding these effects is important for many electronics ...
General Physics
Oct 7, 2011
6
0
Television's favourite Time Lord could not exist without his trusty sonic screwdriver, as it's proved priceless in defeating Daleks and keeping the Tardis in check. Now Doctor Who's famous cure-all gadget could become a reality ...
Engineering
Dec 7, 2010
5
0
Manual labor is becoming more and more difficult for Japan's aging farmers, prompting a Tokyo professor to devise a high-tech solution: mechanize the bodies of the farmers themselves.
Robotics
Aug 24, 2010
3
0
Ultrasonic Cleaning Systems are widely used in healthcare applications during the sterilization of surgical instruments, and in many manufacturing and process industries. They work by passing a high frequency sound wave through ...
Engineering
Aug 11, 2010
0
0
A research paper co-written by a Virginia Tech faculty member explains a 60-year mystery behind a rare bat's nose that is unusually large for its species. The findings soon will be published in the scientific trade journal, ...
General Physics
Jul 7, 2009
6
0
(PhysOrg.com) -- As dough flies through the air, transforming from a ball into a disk in the chef’s experienced hands, pizza tossing can definitely be thought of as an art. But, as a recent study shows, pizza tossing is ...
