With loudspeakers, an important parameter is the frequency at which their cones resonate. This clever Arduino-based tester ...

Here’s something fun from [Chad Kapper] over on HackMakeMod: Escape Room Lockbox with the Cheap Yellow Display. You may have heard of the “cheap yellow display” (CYD), so-called due to the board’s ...

The song, "The Twelve Days of Christmas" is an English Christmas carol. From 1558 until 1829, Roman Catholics in England were not permitted to practice their faith openly. Someone during that era ...

Some people believe you can read a person’s aura and sense the energy field around their body. And that each aura corresponds to a different chakra. Proponents believe that tuning in to your aura can ...