Remember when everyone thought 21st-century car doors would all be gull-wings like the DeLorean in “Back to the Future”? (Okay, maybe that was just me.) Well, not anymore. LaughingSquid points to a new design for a retractable, “disappearing” car door by John Townsend of Jatech:

No idea whether this will ever catch on, though it’d presumably lead to a steep drop in vehicle dents.