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The hot new technology for self-driving cars is … radar

One of the hottest new technologies for next-generation automatic safety systems and planned “autonomous” vehicles has roots going back a century.

Yes, we’re talking about radar, the same technology that started out as a curiosity at the turn of the 20th century, helped Britain fend off the Luftwaffe during WWII, and long allowed weather forecasting and enabled air traffic controllers to keep our sky. safe.