How fast does glass crack? - The Slow Mo Guys

Gav and Dan use some absolutely insane frame rates to learn how fast 5 millimetre tempered glass cracks. 3 pieces of glass were harmed in the making of this video. Follow us on Instagram! https://www.instagram.com/gavinfree/ https://www.instagram.com/danielgruchy/ Filmed at 28,500, 78,000 and 481,000fps on the Phantom V2512 How fast does glass crack? - The Slow Mo Guys