[SystemSafety] 200th Anniversary of the bicycle [off topic?]

[Daniel Kästner]

... and now there is even one with an e-motor and formally verified control 
software :)
https://www.powver.org/draisine-200-0/

Cheers,
  Daniel.
---
Dr.-Ing. Daniel Kaestner ----------------------------------------------
AbsInt Angewandte Informatik GmbH      Email: kaestner at AbsInt.com
Science Park 1                         Tel:   +49-681-3836028
66123 Saarbruecken                     Fax:   +49-681-3836020
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----------------------------------------------------------------------
Geschaeftsfuehrung: Dr.-Ing. Christian Ferdinand
Eingetragen im Handelsregister des Amtsgerichts Saarbruecken, HRB 11234


> -----Ursprüngliche Nachricht-----
> Von: systemsafety 
> [mailto:systemsafety-bounces at lists.techfak.uni-bielefeld.de] Im Auftrag 
> von Peter Bernard Ladkin
> Gesendet: Montag, 12. Juni 2017 10:55
> An: The System Safety List <systemsafety at techfak.uni-bielefeld.de>
> Betreff: [SystemSafety] 200th Anniversary of the bicycle [off topic?]
>
> [For those of us who consider road transportation as a engineered system, 
> it won't be off topic.]
>
> Today is the day 200 years ago when Karl Friedrich Christian Ludwig 
> Freiherr Drais von Sauerbronn,
> aka Charlie Drais, took a turn for the first time on his velocipede.
> https://de.wikipedia.org/wiki/Karl_von_Drais#/media/File:Drais.jpeg
>
> Another name for it in English is "dandy horse" but I prefer the French.
>
> They are still popular amongst the smaller humans in Germany 
> https://www.puky.de/de/red/laufraeder
> One of Andrea's day kids brings one, and a couple go by every morning on 
> the way to the Kindergarten
> up the road.
>
> It took another 46 years for them to get pedals (Pierre Lallement, 1863
> https://de.wikipedia.org/wiki/Fahrradpedal#/media/File:Pierre_Lallemant_1870.jpg )
>
> At that point, it was known in German as a Draisine. Nowadays the name 
> "Draisine" is reserved for a
> hand-propelled wagon for the railway, such as
> https://de.wikipedia.org/wiki/Eisenbahn-Draisine#/media/File:Drezyna_442.jpg , 
> which Charlie also
> invented, but a bit later in 1842.
>
> PBL
>
> Prof. Peter Bernard Ladkin, Bielefeld, Germany
> MoreInCommon
> Je suis Charlie
> Tel+msg +49 (0)521 880 7319  www.rvs-bi.de
>
>
>
>