In 2001, venture capitalist John Doerr called a mystery device more important than the internet, and Steve Jobs said it was as big a deal as the PC. The secret invention turned out to be a two-wheeled scooter: the Segway. This episode dives into the chasm between world-altering hype and a product that became a punchline for mall cops and tourists.

We trace the Segway’s origins in advanced medical and military robotics, including the gyroscopes from BAE Systems and the inverted-pendulum balancing breakthrough. We unpack the fatal flaws, the $5,000 price, the awkward steering, and the recall over machines that dropped riders when batteries died. Then we cover the tragic death of owner Jimmy Heselden, Ninebot’s audacious move to buy the company that was suing it, and how the Segway paved the way for the e-scooter era.

• How intense secrecy created a vacuum that the public filled with science fiction
• The inverted-pendulum physics that kept the machine balanced via constant computation
• Why the 2003 recall exposed the lack of a mechanical fail-safe when power ran out
• How Chinese startup Ninebot acquired Segway outright instead of fighting its lawsuit
• Why simpler electric kick scooters won the micromobility market the Segway pioneered