Humans took 97 years to cut one second off the 100m world record. Robots just cut twelve seconds off theirs in a single year. The machine that ran 9.39 this weekend won the same race last August in 21.50 seconds. In January 2025 it needed 8 hours to finish a half marathon. By April it did the distance in 2 hours 40 minutes. Now it's under Bolt's 100m time, and it took the 400m in 38.15 seconds, almost five seconds inside the human record. Sprinters improve through biology. Robots improve…