you’ve probably tried and ended up with a broken bit or tilted hole, and a ton of cursing to boot. [Vik] let us know about this nifty trick for drilling ‘down the middle’ using a simple ...

It's a small hole, but a significant one! From Lab to Field Testing of Millimeter Wave Drilling Quaise also plans to take advantage of existing infrastructure like coal-fired power plants ...

That had 300 LEDs and came out great, but at the cost of manually drilling 300 holes in sheet steel with a hand drill. Looking to expand his wall of balls to four times the original size ...

Almost any general-purpose twist bit will do a decent job of drilling holes in metal. In fact, most drill bits labeled specifically for metal are manufactured to drill through various materials ...