World's smallest spirals could guard against identity theft

Take gold spirals about the size of a dime…and shrink them down about six million times. The result is the world's smallest continuous spirals: "nano-spirals" with unique optical properties that would be almost impossible ...

Casio shows off bulbless 3D-capable projectors

(PhysOrg.com) -- Casio is currently showing off a line of lamp free projectors, designed for work in corporate and educational settings. The system eliminates the lamp by relying on a system that combines laser, fluorescent ...

New lasers drive powerful applications

(PhysOrg.com) -- Telecoms, healthcare and display technology will be the major beneficiaries of a new generation of semiconductor lasers developed in a massive European research effort. Better cancer treatment, wider bandwidth ...

Novel technique shrinks size of nanotechnology circuitry

(PhysOrg.com) -- A University of Colorado at Boulder team has developed a new method of shrinking the size of circuitry used in nanotechnology devices like computer chips and solar cells by using two separate colors of light.