Australia's military will rely more on autonomous systems to overcome the disadvantage of having to protecting vast geography ...

Some air traffic controllers are worried about safety, staffing and more amid the Trump administration's purge of federal workers, they tell Axios. Why it matters: Aviation safety has been in the ...

Windstorms can seem like they come out of nowhere, hitting with a sudden blast. They might be hundreds of miles long, ...

Worn brake pads won’t be as good at stopping the bike. We can feel friction against the air, too. Especially on a windy day. This is commonly known as air resistance. Sometimes, we think the air ...

and also to an increased heat being produced by the friction of a current of air or gas upon a liquid or solid. It is well known that water coutains a portion of atmospheric air, and by ...