Things that don't exist, but probably will in 20 years

[WeezyBengal]

(02-14-2018, 07:59 AM)HarleyDog Wrote: Here’s one that I know will come from somewhere but can’t wrap my mind around how? Wireless battery chargers.

You place the back of the phone onto a chargeable surface. The contact the phone makes with the chargeable surface conducts electricity. 

In my mind its not really "wireless" because you still need to place the phone on a charger that is still plugged into a wall.