It seems like the structural properties of the foam could be tricky to get right. If it’s not strong enough it could fail under drag forces or turbulence in the atmosphere, but if it’s too strong then the astronaut would be unable to free themselves once they landed.

It’s so tragic that we have no records of Washington, Tesla, da Vinci, Newton, Faraday, or Kant. If only they’d thought to have kids they might have left a mark on the world.