This is appropriate: https://www.askamathematician.com/2012/04/q-can-you-poke-something-thats-far-away-with-a-stick-faster-than-it-would-take-like-to-get-there/

This is appropriate: https://www.askamathematician.com/2012/04/q-can-you-poke-something-thats-far-away-with-a-stick-faster-than-it-would-take-like-to-get-there/ https://www.askamathematician.com/2012/04/q-can-you-poke-som...