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The history of the bicycle: Overview
This article covers the evolution of the bicycle in five steps, from balance bike to bicycle.
- Laufmachines and hobby horses
- Pedals on the balance bike
- Higher, faster and... more dangerous
- the tricycle
- A safety on pneumatic tires
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Apollo - 50 years of the moon landing
Half a century ago, Neil Armstrong set foot on the moon. A total of twelve astronauts would be walking around on our nearest neighbor. The first moon landing kept the whole world glued to the TV set, the last flight received hardly any …
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STEM Alliance: Case studies
European database of STEM learning resources, selectable by
- compartment,
- age,
- type of teaching aid,
- language,
- type of education.
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CO₂ Calculator for Schools
Schools for less CO₂ is a free digital tool that makes it possible to monitor your school's CO₂ emissions and use them for climate education.
The students perform measurements and enter the data in the CO₂ calculator. This converts …
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Website (4)