#1 degree in rads is pi divided by 180 = .01745 
$mw->bind('<Left>',sub{ &rotate(.01745) });
$mw->bind('<Right>',sub{ &rotate(-.01745) });
$mw->bind('<Up>',sub{ &power(10) });
$mw->bind('<Down>',sub{ &power(-10) });
$mw->bind('<space>', sub{ &fire}  );