English : Shopping, Arts and Business Center "Stary Browar" – the center of commerce and art, built in November 2003, located in the center of Poznań, Poland.
English : Video simulation of the view which would be seen by a close observer of gravitational waves - Universe object with number GW150914, showing the distortion of the star-field from gravity as the black holes orbit and merge.
English : Visualization of shipping routes in time period of years 1750 - 1854 : it shows about 100 years of ship paths in the seas, as recorded in hundreds of ship's log books, by hand, one or several times a day. The data source is a dataset of the Climatological Database for the World’s Oceans 1750-1850 (CLIWOC) project (European Union funded project, 2001-2003).
English : A Belarussian engineer and transport designer Anatoly Yunitskiy talks about pollution problems and offers a project of orbital ring that would allow to move the industry to space in comparison with traditional space rockets. He also talks about his main invention - a string rail transport technology (Sky Way) and its advantages in comparison with traditional rail and road transport.
English : According the Newton's theorem of revolving orbits the planets revolving the Sun follow elliptical (oval) orbits that rotate gradually over time (apsidal precession). The eccentricity of this ellipse is exaggerated for visualization. Most orbits in the Solar System have a much smaller eccentricity, making them nearly circular.
English : Demonstration video of the Levitron, levitating top device which partially explains its reliance upon the principle of spin stabilized magnetic levitation. A phenomenon discovered in the late 1970's by Roy M. Harrigan.