Downward Thrust made a video critiquing Overwatch in an extremely inconsistent and inaccurate way so here I am critiquing his video. This video has nothing to do with the quality of Overwatch as a ...

Helicopters are marvelous pieces of engineering, providing a live demonstration of the laws of physics as they carry us into the skies. With metal or composite blades angled just right and spinning at ...

So they can help with downward thrust, as well as lateral thrust for sideways motion or rotation, but they won't contribute to forward or rearward thrust. While it looks like some sort of flying high ...

Latest entry in the VTOL (Vertical take-off and landing) competition is the Bell X-14, which achieves vertical flight in a horizontal flying attitude by means of a Venetian blind. The X-14 has two ...

Chapman and Newell 1 have recently published the following argument : (1) Lugworms can burrow into a particular beach whether covered by sea-water or not. The total downward thrust which a worm can ...