This new ultrahard material inspired by nature could make uncuttable bike locks
Bike locks don’t work well: More than two million bikes are stolen each year in North America alone. Even when a lock might slow down a thief, it’s fairly easy to finish the job in a crowded city, even with lots of people paying attention, as these old viral videos repeatedly demonstrated. But a new material—the first artificial material that can’t be cut—may change that.
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