Home Ideas Unlock the Secret of a Gravity-Defying Parkour Stunt—With Physics!TechIdeasUnlock the Secret of a Gravity-Defying Parkour Stunt—With Physics!September 20, 202412FacebookTwitterPinterestWhatsApp unlock the secret of a gravity defying parkour stunt with physics Yes, you really can climb a building by jumping back and forth between two opposing walls. Thank you, Isaac Newton.Source: WIRED.com