Peter Bohacek | rocket backpack @bohacekphysics | Uploaded June 2009 | Updated October 2024, 1 hour ago.
This is a CO2 fire-extinguisher strapped to my back. The valve is actuated by a bicycle brake lever and cable. Roller skis are safe and easy to control. Physics fun!
This is a CO2 fire-extinguisher strapped to my back. The valve is actuated by a bicycle brake lever and cable. Roller skis are safe and easy to control. Physics fun!