The robot revolution faces these three big challenges

J Studios/Getty ImagesThis post originally appeared in the Business Insider Today newsletter.You can sign up for Business Insider's daily newsletter here.Daft Punk only had it half right. Robots don't just rock; they also draw a ton of investment.The French musicians who famously donned robot helmets retired five years ago, but Silicon Valley's obsession with robotics is reaching a fever pitch.Robotics and physical AI companies raised $33.4 billion globally in the first half of 2026. It's a stun