Platinum is a key component in electronics, microchips and green hydrogen manufacture - and critical mineral demand is fast outstripping supply. Start-up AstroForge wants to think outside the box - and actually, off the planet. It’s aiming to become the first company to mine the 6 critical ‘platinum group’ metals using a combination of lasers and magnets on #asteroids in deep space. CEO Matthew Gialich talks us through this #space enterprise - and says that, thanks to the high concentrations of