Hear Episode 186 about charged-up world of batteries, we’re talking about mammoth batteries the size of skyscrapers – or is that skyscrapers that double up as batteries – a re-look at using wood to make batteries, plus solar strips – not panels – that could charge us all up. Oh, and did we mention the “powerful” deep sea rocks and the fool’s gold that might not be so foolish but in fact pretty precious – all that and more this episode!

Dive into Episode 186 here and then…