Vacuuming Sand with a Shop Vac results in a Van de Graaff generator — shocking
I pulled out my shop vac to clean up some sand left behind from the mastic around my pool. The more I vacuumed, the faster the static charge would build up. At first I didn’t realize what was happening. I kept feeling small zaps on my feet.… Read the rest “Vacuuming Sand with a Shop Vac results in a Van de Graaff generator — shocking”