Nowadays, single-color and multi-color flashing LEDs are easily available, which obviates the requirement of external chips to produce fascinating lighting effects ...

Light effects have always been popular. Now that LEDs are available in all sorts of shapes, sizes and colours for reasonable prices, a whole gamut of possibilities has become feasible. Examples are ...

A strange series of color flashes that turned the night sky reddish in Bethel, Ohio, has gotten international attention, as people scramble for a good explanation. So far, nobody seems to have one, ...