1 Plant/Animal Cell Model (interactive) 2  Pumping Heart Cells. 3  Apoptosis (video) 4  Cell Cycle (interactive) 5  Mitosis (interactive) 6  Meiosis (interactive)  Microscopy.
Amtrakâs Acela Express is currently the fastest train in the US, capable of a maximum speed of 150 mph (241 km/h) â although it typically travels at about half that speed. Depending on whose definition you go by, that may or may not qualify it as a high-speed train. Source: State of California (PDF) via Inhabitat.
Japanâs new maglev bullet train is now the fastest in the world. Japan Railwaysâ latest mag-lev bullet train just broke its own record as the fastest train in the world. The bullet train travelled at 603 kph (374 mph), blowing through last weekâs top speed of 590 kph (366 mph). At itâs fastest, the train covered a mile in 10 seconds, which is insanely fast.