That had 300 LEDs and came out great, but at the cost of manually drilling 300 holes in sheet steel with ... [bitluni] chose to spend a few days building a punch to make the job more appealing.

A pretty rare phenomenon was seen over Western Washington on Wednesday and several KIRO 7 viewers sent us photos. Fallstreaks, often called “hole punch clouds,” occur when conditions in a mid ...

The holes were punched by a human operator at ... and slowly but surely punch cards died out, although some companies still used cards until the mid-1980s. THIS DEFINITION IS FOR PERSONAL USE ...