In this video, I demonstrate how to make an oxygen generator using manganese dioxide (MnO2) and hydrogen peroxide (H2O2) ...

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

Mold can ruin even the nicest of carpets. Carpet mold spreads when airborne mold spores meet a damp patch of carpet, and it quickly multiplies from there. Mold can have long-term health risks too, ...