Combustion engines, the engines in gas-powered cars, only use a quarter of the fuel's potential energy while the rest is lost as heat through exhaust.

Combustion engines only use a quarter of the fuel’s potential energy while the rest is lost as heat through exhaust. Now, a ...

Incorporating trace amounts of Cu atoms into n-type Bi2(Te, Se)3 simultaneously realizes lattice plainification and band ...

PDVSA exported only 10,000 barrels per day to Cuba in the first month of the year, 65% less than in December 2024.