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<p align="justify" style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-family:'Sans'; font-weight:600;">Torque-free rotation simulator</span></p>
<p align="justify" style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-family:'Sans';">Use arrow keys (</span><span style=" font-family:'Sans'; font-weight:600;">↑↓</span><span style=" font-family:'Sans';">) inside 3D view area for zoom. </span><span style=" font-family:'Sans'; font-weight:600;">X,Y,Z</span><span style=" font-family:'Sans';"> for projection rotations, </span><span style=" font-family:'Sans'; font-weight:600;">U,V,W</span><span style=" font-family:'Sans';"> for rotations along object's local axes. </span><span style=" font-family:'Sans'; font-weight:600;">Spacebar</span><span style=" font-family:'Sans';"> to reset/pause. </span></p>
<p align="justify" style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-family:'Sans';"></p>
<p align="justify" style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-family:'Sans';">Calculations are made using the </span><a href="http://en.wikipedia.org/wiki/Euler%27s_equations_%28rigid_body_dynamics%29"><span style=" text-decoration: underline; color:#0000ff;">Euler's equations</span></a></p>
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<p align="center" style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><img src=":/images/formula.png" /></p></body></html>
