Without googling, name a black invention that changed the world

@KeithWoodsYT Laser Eye surgery

@HassanA93246 Really?

@KeithWoodsYT @HassanA93246 A Greek optimoligist filed the patent. But Rangaswamy Srinivasan a black IBM researcher was the man who discovered the fact you ultraviolet rays to make perciese cuts. And broke the ground for it's used for the medical feild.

@ransom187211 @KeithWoodsYT @HassanA93246 This is america buddy. Most would say he's black.

@EllForeboding @ransom187211 @KeithWoodsYT He wouldn’t even be non-white on the census and you wanna call him black? Every American would call him Indian, full stop.

@KRS_OOI @ransom187211 @KeithWoodsYT When did Indians become white

@EllForeboding @ransom187211 @KeithWoodsYT Look up the definitions for races on the census instead of being intentionally dense.

@EllForeboding @KRS_OOI @ransom187211 @KeithWoodsYT Indians can be classified into Asians but either way it's never black bro Are you dumb 😭 That man is the most Indian person you can be. He was literally born in Chennai, India. Come on now.