They have become indispensable in today's street scene: armored vehicles and tanks, used for everyday tasks such as shopping and taking children to school. While they undoubtedly provide a sense of security and robustness, these mighty machines also raise a number of concerns.
Stationary windmills as clocks: an innovative use of existing infrastructure This proposal advocates the use of stationary windmills as clocks. By making small adjustments to the length of the vanes, they can be converted into an hour, minute and second hand. This innovative use of existing infrastructure can contribute to sustainability and education. Windmills... Continue Reading →
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