Light is usually treated as something simple, a clean beam that either shines or does not. At the quantum level, however, ...

A new microchip-sized device could dramatically accelerate the future of quantum computing. It controls laser frequencies ...

Two tuners were developed for this receiver. The more sensitive one uses tetrode transistors in the RF amplifier, mixer and oscillator. Its disadvantages lie in a much higher cost and a 12 to 14 db ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Thomas J. Brock is a CFA and CPA with more than 20 years of experience in various areas including investing, ...