The Right Way To Remove Rust From Cast Iron—And Bring It Back To Life

Use a stiff brush to scrub away the stains. Lodge Cast Iron also makes a Rust Eraser for removing heavy-duty rust stains. You ...
Interesting Engineering

World’s first ‘combat-ready’ 100kW Iron Beam laser that zaps drone for cents deployed

Israel has delivered its first operational high-power laser air-defense system to the military to counter drones at a ...