By Jesse Squire @tracksuperfan · 1h

If I did my math right, those starting block speakers made a difference last night.

Without them, Lyles would have been at a disadvantage of 0.008 sec — how long the sound of the pistol takes to travel from lane 4 (Thompson) to lane 7 (Lylesh).

He won by 0.005.

[A picture showing starting blocks on the track with runners’ feet in them. Behind each starter block is a purple loudspeaker connected to wires leading out of frame.]