Faster moving air has lower pressure, and thus the difference in pressure between the air under the wing and on top of it pushes the wing upwards.
You can actually experience it just by taking your hand out of fast moving car. I always do it when I’m traveling by car.
Just like most of us here I was surprised and astounding to watch the basketball video. It’s really exciting to see new types of inventions especially when it comes to technology.
BTW: I assume you already did, but it doesn’t hurt to ask. Did you claim your ByteBall airdrops? As a steemien wit 70 rep. you get $160.00 of free money. Here is the link to how to claim.
https://steemit.com/byteball/@acidyo/byteball-airdrop-to-steemians-round-2