Engineers at Illinois' Northwestern University have developed the tiniest pacemaker you'll ever see. It's several times smaller than a regular pacemaker, and it's designed for patients several times ...

The sensor allows the pilot light to be automatically re-ignited if the flame is no longer present. The circuit is a surprisingly simple one, with a PNP transistor being turned on by the flame ...

A new light-activated catalyst has been developed for the photoinduced deracemization of tertiary and secondary alkyl halides, enabling the synthesis of single-enantiomer chiral molecules with ...