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Hot off
the press!
Means of transportation: How does it work?
Steam engine
Steam locomotive
Lets take control
of Watt's famous machine, the ancestor of all steam engines. The steam locomotive is , without doubt, the best known application of that machine. All aboard!
Bicycle Gear Ratios
The physics of the bicycle are fascinating.
Pedaling, changing
gears,
adjusting
your effort according to the terrain.
Energy and sustainable environment
Transportation and Energy
A means of transportation is a combination of an energy source and a mode of transportation.
Find
the twenty possible combinations.
Energy efficiency
We reject too much CO2, let's be eco-mobile!
Choose
the right vehicle.
The frog
Metamorphosis of tadpole
The frog starts its life in the water and ends it on the ground.
Discover
this extraordinary metamorphosis.
Frog life cycle
See
the main stages of the frog's lifecycle. A complete life in the blink of an eye!