Happy Halloween! NASA’s Jet Propulsion Laboratory spent an hour creating elaborate Jack-O-Lanterns earlier this week. Some have multiple layers. Others have moving mouths or spinning contraptions. One has a switch that, when flipped on, activates a robotic arm that turns the same switch off. Check them out here.
Most Useless #NASAPumpkin pic.twitter.com/YkNbUzHQSc
— Aaron Yazzie (@YazzieSays) October 27, 2016