This video of a machine drilling square holes has making the rounds on the interwebs today. I thought it was pretty fascinating, and wanted to share a couple other videos of drills drilling square holes I found while researching the invention.
More videos after the jump.
Become part of the number one growth industry while securing your future with immediate and residual income
With 2,000 locations open or in development in 15 countries, Snap Fitness is the top choice
Can we solve the #1 Business problem people have today? Yes -- and the answer is simple...
Jamberry Nails signature product, Jamberry Nail Shields, which are essentially stick-on nail art
PromoSlam has a mission to develop real solutions for individuals and families