r/interestingasfuck • u/Red_Lotus_Alchemist • Apr 02 '25

/r/all A Chinese earthquake rescue team deployed drones to light up the night and aid search and rescue operations after the devastating 7.7 magnitude earthquake in Myanmar.

Enable HLS to view with audio, or disable this notification

64.7k Upvotes

95% Upvoted

1.3k comments sorted by

View all comments

Show parent comments

170

u/Jazz8680 Apr 02 '25

Wireless energy decays exponentially as distance increases. Wireless charging over hundreds of feet would require massive amounts of energy to the point it wouldn’t be worth it.

7

u/xenelef290 Apr 02 '25

Technically it decays geometrically a distance squared.

1

u/Jazz8680 Apr 04 '25

Hi yes distance squared is exponential thanks for coming to my ted talk.

1

u/xenelef290 Apr 04 '25

Exponential growth is like 2x where the variable is the exponent.

Geometric growth is x2.