Wow- congrats to this amazing 15 year old! #STEMrules
15-year-old invents $12 probe that harnesses energy from ocean currents nzzl.us/qCBiTIa via @kcalderw #stem #steam
Nov 3, 2015 ยท 4:27 PM UTC
Nov 3, 2015 ยท 4:27 PM UTC