Here are 7 easy tips to help students focus better on their studies and everyday tasks: 1. Try Deep Breathing One of the simplest ways to calm your mind is by focusing on your breath. Deep ...

To achieve a bargain focus stacking rig, [gtoal] used a Dremel tool mount for cutting discs. It’s repurposed here, used as an easy way to fit a Raspberry Pi camera to a CNC tool head through its ...