It doesn’t take a lot of energy to dig up coal or pump oil from the ground. By contrast, most renewable sources of energy involve obtaining and refining resources, sophisticated manufacturing, and ...

“’But how is [Bitcoin] digital energy; how do you get it back to being energy?’ The answer is, I send a billion-dollar block of it to Tokyo, I run it through an exchange … I convert it back into yen ...

Marine energy is renewable and generally predictable. It could thus compensate for the unplanned intermittency of solar and ...