Its unusual attributes give rise to the idea that one star was swallowed and transferred its momentum to the other two, which transformed into a blue superstar.

Absorption of the light allows both the spin and orbital angular momentum of a light beam to be transferred to microscopic particles held within optical tweezers, forming an optical spanner.

When the thigh of the lead leg drives up to a position parallel to the track, momentum is transferred to the lower leg, which extends naturally.