[amelius]

It also sounds logical: why would you waste energy by radiating it if you can retain it?

[krapp]

It's also a waste of energy to work to capture energy you don't intend to use. Using less energy more efficiently is also logical.

[amelius]

More energy is more computation.

[krapp]

That doesn't mean an advanced civilization would need to harness the output of an entire star for computational power.

Unless maybe it's storing everything on blockchain.