Executive Editor David Carnoy has been a leading member of CNET's Reviews team since 2000. He covers the gamut of gadgets and is a notable reviewer of mobile accessories and portable audio ...

Some of the most sensitive methods of measuring magnetic fields use interactions of resonant light with atomic vapour. Recent developments in this vibrant field have led to improvements in ...

The ‘dummy’ line would be a short line that forms a closed loop under each side of the transmission line of concern. Using the current induced by the magnetic field of the transmission line, it emits ...