Why do blinking crosswalks have a blinking yellow light to warn motorists that someone is crossing? Shouldn’t it be a blinking red light as this means for traffic to stop completely where a blinking ...

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 ...

If your Alexa is blinking yellow, it means you have an unread message. If your Alexa is flashing green, it means you have an incoming call. Other colors (like blue, purple, orange, and red) indicate ...

Do you know when or why your vape pen blinked? Thanks to the manufacturers for using LED flashing indicators in the lean design. These different color blinking lights send a variety of signals to the ...

DOYELSTOWN, Pa. (CBS) -- Some in Bucks County are fueling a Christmas light controversy. They are going against the Homeowners Association and ditching white for colored bulbs starting Friday night.