A magnetometer is a device that measures magnetism: the direction, strength, or relative change of a magnetic field at a ...

A NUMBER of methods are available for the separation of the unbranched (amylose) and branched (amylopectin) components of starch. Of these methods, that of T. Schoch 1 has been generally useful but ...

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

Optoelectronic devices and components are those electronic devices that operate on both light and electrical currents. This can include electrically driven light sources such as laser diodes and light ...