The Nail Test: Why this $54 billion innovation is terrifying Western auto executives

BYD says it’s fixed yet another major problem with EVs.

BYD’s second-generation of the Blade Battery are on display during the launch event on March 5, 2026 in Shenzhen, China. [Photo: Getty Images]

The nail is six inches long. Sharpened to a surgical point. Mounted on a hydraulic press behind plate glass. The press drops slowly enough that you can count your own heartbeat between........

© Fast Company