Fusing science with sleep, mattress manufacturers are increasingly using copper materials for two main reasons: copper is an excellent conductor of heat, allowing it to absorb and disperse heat away ...

Fusing science with sleep, mattress manufacturers are increasingly using copper materials for two main reasons: copper is an excellent conductor of heat, allowing it to absorb and disperse heat ...

The U.S. mined about 1.1 million tons of copper in 2024, which is less than the demand in a year. Some of that copper is refined overseas.

Commerce Secretary Howard Lutnick said President Trump plans to introduce steep tariffs on copper imports after he directed Cabinet officials to investigate the country’s ability to rely on its ...