Manuals and tutorials for low-tech solutions.
Would it make sense to revive the industrial windmill and again convert kinetic energy directly into mechanical energy?
Cable trains (or funiculars) are one of the most energy-efficient modes of transport out there.
Trolleybuses and trolleytrucks have all the advantages of electric cars – and none of their drawbacks.
German engineer Max Schiemann was among the first engineers to develop a commercial trolleybus system for passengers at the turn of the 20th century. He also created some unique cargo systems.
The embodied energy of the memory chip alone exceeds the energy consumption of a laptop during its life expectancy of 3 years.
Wood, steel, aluminium, iron, glass, paper, plastics, copper, silicon, nickel, titanium, electronic grade silicon.
Wind power rules, but commercially available small windmills are a swindle.
If you want a revival of sail the high-tech way, you can have it.
Time for a new age of sail.
Fast recharging times generate lots of excitement, but what seems to be forgotten is that they can lead to a fabulous amount of peak demand.
For almost every electronic device or oil driven machine there used to be a low-tech alternative that was powered by human muscles, water or wind.