RT @HannesVonEssen: How fast can we make it run?? My current best is 1.6 m/s https://t.co/gV4KjK7OfK
Bron
How fast can we make it run?? My current best is 1.6 m/s https://t.co/gV4KjK7OfK
RT @HannesVonEssen: How fast can we make it run?? My current best is 1.6 m/s https://t.co/gV4KjK7OfK
Bron