Einstein proved that gravity does not exist, i.e. that spacetime is warped by mass. String theory proposes a new particle called the "graviton" which transmits the force of gravity. The debate rages on.
C:2 / 161231419-W – Graviton Atelier™
B:2 / 161231419-T – Graviton Atelier™
Marmot Graviton 38 Internal Frame Pack - Steel / Cinder: Made with durable fabric and a comfortable… #OutdoorGear #Camping #Hiking