http://ruina.tam.cornell.edu/research/index.php
1) Build and understand a pedal vehicle that can be a tricycle, at one extreme, and a bicycle at
another extreme. And in between it is, according to theory, uncontrollable.
...
http://ruina.tam.cornell.edu/research/index.php
1) Build and understand a pedal vehicle that can be a tricycle, at one extreme, and a bicycle at
another extreme. And in between it is, according to theory, uncontrollable.
...