Artillery has quietly entered a new era in which a single cannon shell can now reach farther than many battlefield missiles. The latest generation of 155mm projectiles is smashing range records, ...

#Sleep #Relaxing #Calm This calming music is crafted to lull you into a state of deep relaxation. Transform your sleep ...

NASA engineers have completed first cold-flow tests of a full-scale nuclear thermal propulsion reactor, validating designs ...

New foreign-entity limits are reshaping US clean-energy tax credits, pushing investors toward grandfathered projects, tougher ...