News tagged with waves

Related topics:

California smartphone 'kill switch' bill advances

On a second attempt, California lawmakers have advanced a bill that would require electronics manufacturers to install a shut-off function in all smartphones as a way to deter what one senator called a crime wave of thefts.

May 08, 2014
not rated yet 1

Researchers build acoustic tractor beam

(Phys.org) —A team of researchers with members from the U.K., Scotland and the U.S. has built a functioning acoustic tractor beam in a lab—one that is able to pull objects of centimeter size. In their ...

May 08, 2014 report
4.4 / 5 (28) 2

Putting iron to the stress test

(Phys.org) —Using an ultrafast laser system, a group in Physical and Life Sciences at Lawrence Livermore National Laboratory have subjected iron to extremely rapid dynamic compression and have shown that ...

Apr 29, 2014
4.8 / 5 (6) 0

A new twist in the properties of light

Light has some well-established dynamical properties that have defined our understanding of electromagnetic radiation for over a century. Two of the most fundamental of these properties are that photons of ...

Apr 25, 2014
4.8 / 5 (59) 7

How do liquid foams block sound?

Liquid foams have a remarkable property: they completely block the transmission of sound over a wide range of frequencies. CNRS physicists working in collaboration with teams from Paris Diderot and Rennes ...

Apr 24, 2014
4.7 / 5 (7) 2