Questions tagged [engineering]

Engineering is the discipline, skill, and profession of acquiring and applying scientific, economic, social, and practical knowledge, in order to design and build structures, machines, devices, systems, materials and processes.

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21 votes
4 answers
3k views

Can you harvest energy from radio transmissions?

This video gives instructions on building a circuit to harvest energy from radio waves in the air using some pretty straightforward circuitry. The creator has another video showing such a circuit ...
Catherine Hoy's user avatar
13 votes
1 answer
2k views

Is a proposal to build an artificial mountain being seriously considered?

Thijs Zonneveld, a former cyclist, made a joke that a 2,000m high artificial mountain should be created in the Netherlands. Now, the mass media are reporting that it is being seriously considered: ...
Oddthinking's user avatar
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