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.
Harmony CRH 380A. Harmony CRH 380A, with maximum operational speed of 380kmph, is currently the second fastest operating train in the world. The electric multiple unit (EMU) set a record by speeding at 486.1kmph during its trial operation on the Shanghai-Hangzhou intercity high-speed railway in December 2010.