Owners of K98k Mauser rifles seeking to scope them without making permanent modifications should consider the Bad Ace ...

The Army’s Product Manager for Aerial Enhanced Radars, Optics and Sensors is seeking information from industry on extended-range electronic intelligence as well as communications intelligence sensor ...

Nov. 7, 2024 — Researchers have developed an innovative technique to search for black hole light echoes. Their novel method, which will make it easier for the mass and the spin of black holes to ...