America's national security relies in part on the U.S. Navy's nuclear-powered submarines, which can operate more than 800 ...

Nickel-cobalt (Ni-Co)-based superalloys are leading candidates for advanced turbine disks; however, their strength relies ...

New device could be used to observe structures as small as individual proteins, as well as the environment in which they move ...

Why these questions for Prelims 2026? Kickstart your UPSC Prelims preparation early. Brush up on your current affairs ...