The James Web Space Telescope has completed its experiments and is awaiting launch

The most recent of these was the revelation by former U.S. Air Force officer Robert Salas and his associates of the nuclear disarmament caused by the 1967 invasion of a nuclear base. As recently as 1967, Robert Sales, then head...

Take off like a helicopter, then change the mode while flying and fly like an airplane…and finally land like a helicopter and fold it back to rest in a corner of the ship…can you imagine such a design? But there...

Raleigh, the scientist who defined the reason for the blue color of the sky, faced a big question: Why is the color of the sea blue? Raleigh explained that the reflection of the sky is the reason for the blue...