Thomas Edison

American inventor and businessman (1847–1931)

Discussed in 3 episodes Wikidata (Q8743) →

Episodes

#5757: Why the Grid Still Runs on AC When DC Won

Every reason AC beat DC has been overturned by power electronics. So why is your wall socket still AC?

Main topic Oct 7
#5758: Why Your Outlet Is 120 Volts and Europe's Is 230

The US isn't really a 120-volt country — it's 120/240 split-phase. Here's the engineering logic behind the numbers on your panel.

Oct 7
#5168: Ten Inventors You've Never Heard Of

From the yellow traffic light to the geoid model behind GPS — ten inventors whose quiet work reshaped daily life, and why we forgot them.

Sep 10