
Hydrogen fuel may not sound like Hollywood material, but it plays a key role in Rian Johnson’s latest murder mystery, Glass Onion. Without spoiling too much, a crystal of solid hydrogen acts as a Chekov’s gun that pays off in spectacular fashion.

Hydrogen fuel may not sound like Hollywood material, but it plays a key role in Rian Johnson’s latest murder mystery, Glass Onion. Without spoiling too much, a crystal of solid hydrogen acts as a Chekov’s gun that pays off in spectacular fashion.