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.
Train Ã  Grande Vitesse (TGV) trains operated by SNCF are the fifth fastest in Europe. The trains in the series have been in service since 1981 and are capable of running at an operational speed of 320kmph. The TGV trains running at this speed currently include Duplex, Euroduplex, RÃ©seau, POS and 2N2.