Why is Truth Social owner Trump Media merging with a fusion energy firm?

What we know about the deal with TAE Technologies so far - from why it is happening to what fusion energy is

Trump Media & Technology Group, owner of Donald Trump's social media platform, Truth Social, announced a merger on Wednesday with a company developing fusion energy technology.

TAE Technologies, an energy company founded in 1998, will join with Trump Media via a $6bn merger that it promises will propel it to build the world's first utility-scale fusion power plant" next year.