China has revealed a new tail-sitter drone during a disaster response exercise in Sichuan province. This drone can take off ...

No engineering degree, no blueprint, just years of tinkering. Zhang’s 5‑tonne submarine proves dreams can go deep.

Discover how Nasiol’s 3-step nano coating system boosts solar panel efficiency, reduces cleaning, and extends lifespan.

World News Live Updates: Explosion at Los Angeles County Sheriff's department training facility leaves three dead ...