Intense solar activity such as sunspots and solar flares subsides during solar minimum, but that doesn’t mean the sun becomes dull. Solar activity simply changes form. Click here to see more videos: https://alugha.com/NASA Visit http://science.nasa.gov/ for more.
Sailing uses two propulsion effects: Drag and lift in combination. Wind pressure and air flow are responsible for the movement. Author: ZDF/Pur+/Autorenkombinat/Tobias Schönke/Rita Gerhardus-Faust/Jochen Schmidt Translation and dubbing: alugha Click here to watch more videos: https://alugha.com/T
Learn how advances in technology allow boats to go faster than ever before in this video from NOVA: “Making Stuff Faster.” Host and technology columnist David Pogue examines two factors that limit speed—energy and resistance—and describes how Oracle Team USA maximizes the speed of its boat. Instead
