Zetron, a company in Redmond, Wash., makes radio-based devices that can detect the presence of a cell phone as far as 30 meters away, if it is on.
Metasurface perfect absorbers (MPAs) are metamaterial-based devices that can perfectly absorb electromagnetic waves of certain wavelengths.
His research led to the development of "optical tweezers," laser-based devices that can manipulate small particles and detect the forces of single molecules, and to Nobel Prize-winning work on using lasers to trap atoms.
One of the leading candidates for an alternative system is based on thermoelectrics, semiconductor devices that can provide either heat or cooling, depending on the direction the electric current is flowing.
Like Twitter's many ground-level dispatches, the system is based on a series of small radar devices that can be scattered around cities and their suburbs, rather than a large beacon that takes a sweeping but imprecise view.
The design of rehabilitation devices that can interact with the patients is based on the identification of voluntary motor intention of a user.
"Mobile devices that can be seen as path to location based services, social services and more".
An optional exchange network that anyone can browse full of public content from people's devices that can one day rival the large datacenter based public networks.
The transaction gives L-3 a more unified set of military products, from devices that can track aircraft and ground troops to communication systems that can securely transmit data wirelessly back to base stations.
It is based in the 5-gigahertz frequency range, which is less crowded than the 2.4-gigahertz spectrum that is cluttered with all kinds of consumer devices that can interfere with one another.
