[AndyJackson]

The amount of power that is available is really game-changing.” The fuel used to create fusion energy comes from water, and “the Earth is full of water — it’s a nearly unlimited resource. We just have to figure out how to utilize it.”

This is a lie. In magnetically confined fusion half the fuel is Tritium which decays with a 12.5 year half-life. The amount of natural tritium is therefore negligible and to get tritium you have to breed it. Turns out based on very simple math that even with 100% recovery and conversion efficiency, tritium breeding from fusion is a losing proposition [you get back fewer tritium atoms than you start with]. So, this MIT geology professor lied.

And then there is this little problem of actually getting fusion to work on anything smaller than a nuclear bomb.

[TexasGator]

“The amount of natural tritium is therefore negligible and to get tritium you have to breed it. “

False. The amount of tritium in the oceans is estimated to be about 26.8 ± 14 kg.

Tritium is also produced by our existing fission power plants.

[TexasGator]

“The amount of natural tritium is therefore negligible and to get tritium you have to breed it. Turns out based on very simple math that even with 100% recovery and conversion efficiency, tritium breeding from fusion is a losing proposition [you get back fewer tritium atoms than you start with]”

Tritium is ‘bred’ using neutrons and Lithium.

[TexasGator]

“tritium breeding from fusion is a losing proposition [you get back fewer tritium atoms than you start with]. So, this MIT geology professor lied.”

No. Be-Li blankets can make reactor self-sustaining.