I want a Newton’s Cradle- the one with the 2.5” ball bearings or even the 6” ball bearings. Something that could double as a coffee or dining room table would be fine. However, we weren’t surprised by the largest scale results. Energy may have been directly transferred in to the steel plates, but it doesn’t travel in a straight line, it disperses in three dimensions, meaning the concrete absorbed a lot of it.
For the tipping point of the car, we thought they should have started with tethering and overbalancing the car then pulling it back to the balance point.