Kurzweil bet the 2020s and 2030s would run on nanoengineered fuel cells. The 2024 book quietly dropped them. Solar, batteries, and power electronics took the decentralization story instead.
Kurzweil predicted three enabling technologies and the death of print. Three arrived. Print didn’t die.
Kurzweil bet on hydrogen cars, microbial cells, and sonofusion in 2005. Silicon photovoltaics quietly won everything.
Kurzweil bet on methanol laptops and coal with sequestration; lithium-ion won, FutureGen died, and the distributed fuel cell is booming — just inside AI data centers.