The 3D geometric mesh of a perforated stone, and the experimental artifacts of the study. From a group exhibition at Beit Binyamini 'XYZT- Material investigations'. Disclaimer: AAAS and EurekAlert!
Add in a chest protector, and you have two components that can further absorb some of the impact energy of hitting the ground ...
Hiking backpacks for day use will probably see more action than most of your kit. Park Ranger Peter Macfarlane takes us ...