I've been sort of surprised for years that what we sense all...

I've been sort of surprised for years that what we sense all around us - is like a tide of heat -

which comes in during the day and goes out at night - or rises in the day and goes down at night - to be slightly more technical


why we haven't worked out how to capture that huge amount of energy - ie. via heat - instead of converting light to power

maybe this is the holy grail - and, it's been all around us every second of every day