I'm old enough to remember at least one Tory PM whose parentage and background has been exhaustively trailed in this election. Right down to the presence or absence of Sky TV. (View Post)
They do use that sort of thing for specialist applications, such as solar furnaces where presumably maximum power input is important. https://www.nrel.gov/csp/facility-hfsf.html#:~:text=The%20solar%2… (View Post)