On fusion...

[Simpo Two]

I didn't know they'd actually done it...

69 megajoules for 5.2 secs, 150,000,000 degrees C:

https://www.facebook.com/reel/707698174890003

[ChocolateFrog]

No net energy output though IIRC.

[hairykrishna]

Doing fusion is easy - I built a functional fusion reactor when I was an undergraduate. Building a fusion reactor which significantly exceeds breakeven energy for an extended period of time is very difficult.

[hidetheelephants]

hairykrishna said:

Doing fusion is easy - I built a functional fusion reactor when I was an undergraduate. Building a fusion reactor which significantly exceeds breakeven energy for an extended period of time is very difficult.

It's only 20 years away!