Deputy Prime Minister Richard Marles visited troops at Australia’s biggest military exercise - Exercise Talisman Sabre - as ...

Learn how California is trying to fend off golden mussels, a dangerous new invader in state waters with a reputation for ...

A massive protest took place outside Odisha Assembly on Wednesday morning over the female student's self-immolation.

This video shows how I make a compact 2" bore air cannon with a coaxial piston valve. To understand how these valves work examine the third animation in the following link: <a href=" I also go into ...