In this step-by-step tutorial, you'll learn how to make a very loud, simple, and powerful alarm using everyday materials.

We don't really need a physical wall clock anymore these days when we have the convenience of checking our phones, wristwatches or having the time displayed on the kitchen appliances. But rather than ...

Our hacker [Moritz Klein] shows us how to make a minimalist analog drum machine. If you want the gory details check out the ...