Trend on Instagram: "The post shares a 56-second video demonstrating friction welding, where two rusty steel bolts are spun against each other under pressure, generating frictional heat that burns off corrosion and forges a seamless joint, later smoothed on a lathe. Uploaded by Indonesian user @ayu_DPalupi on 19 December 2025, it rapidly amassed 682,000 views and 1,340 likes, sparking replies in Indonesian and English marvelling at the process's intensity and practicality. Friction welding, a so

Mexico Racing League on Instagram: "A good reminder that spinning is not winning! Though it seems like both cars may have spun"