Today we are going to create a strobe light for the tips of the wings of an rc airplane using a 555 timer (NE 555 or lm 555 ...

Amazon has a compact, portable light therapy lamp from Verilux available that delivers UV-free natural light even during gray ...

Smart ways to reduce your spending on small appliances include choosing Energy Star-rated appliances, using timers or smart ...

A small portable device featuring timer, clock, and calendar functions, equipped with a simple and functional interface and a truly long battery life.

Circadian Positioning Systems is now working with the Navy to solve the thorny issue of establishing healthy circadian ...

Artificial light from cities extends the allergy season by disrupting plants’ natural timing, increasing pollen exposure for ...

Planning a Valentine’s Day date in Pittsburgh? These restaurants deliver romance, atmosphere, and meals you and your partner ...

In this project, I'll make a small circuit capable of blinking lights, on its output we get a digital signal that we can use to turn on and off an external light like an LED. This circuit uses the ...

Rainbow Schools are being challenged to use less electricity throughout February as staff and students continue to focus on ...

For a program like Niwot boys basketball, one that’s struggled to gain much traction over the past few years, LT Lehman is ...

If you wanted to build a robot that chased light, you might start thinking about Raspberry Pis, cameras, and off-the-shelf computer vision systems. However, it needn’t be so complex. [Ed] of ...

Getting the family to unplug feels like trying to herd cats. Specifically, cats that are glued to tiny, glowing rectangles of ...