Compressing hydrogen demands high pressures; liquefying it requires extreme cooling. Both approaches carry energy penalties, safety considerations, and infrastructure costs that limit wider adoption.

Time feels like the most familiar thing in the world, yet it hides one of physics’ hardest questions: why do we only remember ...

Time travel has shifted from pure fantasy to a serious, if highly constrained, topic in modern physics. The equations that describe gravity, quantum fields and the structure of spacetime now allow ...

“Low invective” takes the form of short, highly negative labels, attached without definition or proof. Examples include “Jack ...