Bloomberg
Hang Seng Launches New Index Tracking H.K.’s Tech Stocks
Jul.26 -- Vincent Kwan, chief executive officer at Hang Seng Indexes Company, discusses the launch of a new index tracking Hong Kong’s 30 biggest tech stocks and the significance of the new index. He speaks exclusively on “Bloomberg...
Roble Media
Roble Media: Science Experiment: Magnets
A virtual experiment illustrating the reason behind the attraction between magnetic objects. 1 min, 22 sec]
Khan Academy
Khan Academy: Discovery of Magnetic Fields
Magnetic materials seem to have two sides (poles). Depending on orientation they can be attractive or repulsive. Watch this video for a demonstration. [1:06]