Bikes. Thursday , August 10th , 2017 - 20:26:55 PM
The Svea Velocipede with vertical pedal arrangement and locking hubs was introduced in 1892 by the Swedish engineers Fredrik Ljungström and Birger Ljungström. It attracted attention at the World Fair and was produced in a few thousand units. By the turn of the century, cycling clubs flourished on both sides of the Atlantic, and touring and racing became widely popular.
History of the bicycle. Wooden draisine (around 1820), the first two-wheeler and as such the archetype of the bicycle. The "Dandy horse", also called Draisienne or Laufmaschine, was the first human means of transport to use only two wheels in tandem and was invented by the German Baron Karl von Drais. It is regarded as the modern bicycles forerunner; Drais introduced it to the public in Mannheim in summer 1817 and in Paris in 1818. Its rider sat astride a wooden frame supported by two in-line wheels and pushed the vehicle along with his or her feet while steering the front wheel.
Comparing the pre- and post-run scans, they found evidence of more opiate binding of the happy hormone in the frontal and limbic regions of the brain — areas known to be involved in emotional processing and dealing with stress. “There`s a direct link between feelings of wellbeing and exercise, and for the ﬁrst time this study proves the physiological mechanism behind that,” explains study co-ordinator Professor Henning Boecker.
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