Eighteen months ago, I recorded a 30- second video that went viral on YouTube. It’ s received hundreds of thousands of views and thousands of comments. Well over 98% of the comments said I had no idea ...

For our final design of an optimized acrylic truss structure, we opted to maximize the maximum load to cost ratio. Our target was a max theoretical load of 50 oz and a load-cost ratio of 0.20. This is ...