Only four years after the first experimental trolleybus, an ordinary steam canal boat was adapted to a trolleyboat.
Increasing the share of renewable energy will not make us any less dependent on fossil fuels as long as total energy consumption keeps rising.
We don’t need any new cycling infrastructure. What we need is to clear the current road infrastructure of inefficient vehicles and replace them with efficient ones.
Depending on the size of the kiln, it took between one and six weeks for the fire to complete a full circle.
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.