Slow cycling Numbers Don’t Lie – IEEE Journals & Magazine

September 14, 2020

Vaclav Smil

Some technical advances are delayed by either a failure of imagination or a concatenation of obstructive circumstances. I can think of no better example of both of these than the bicycle. . Two centuries ago, on 12 June 1817 in Mannheim, Karl Drais, a forester in Germany’s grand duchy of Baden, demonstrated for the first time his Laufmaschine (“running machine”), later also known as a draisine or hobby-horse. ….