Describing Motions

February 4, 2020 Sean Franklin 0

In the year 2000 Antoinette Gentile published a framework of understanding and classifying motions based on four controlling dimensions. This framework, which has come to be called the Gentile Taxonomy, can help to classify different actions and identify the prime challenges in accomplishing them.

Degrees of Freedom

January 22, 2020 Sean Franklin 0

A degree of freedom is the number of directions in which something is free to move. You may be thinking of the three directions, but in this case you would be thinking wrong. The maximum number of degrees of freedom of a rigid body is six.

Totally Scientific Reasons You Need a New Sword

December 11, 2019 Sean Franklin 0

When I published “Do Swords Really Wear Out?” I was accused of robbing people of the ability to justify sword purchases. Fear not, I am here for the community. Just in time for Christmas, here are five totally valid scientific reasons you can use to justify the new sword purchase.

Myth of Knees Over Toes

November 13, 2019 Sean Franklin 0

A common piece of advice you may have heard is to never let your knee move forward beyond the front of your foot. This is well-meaning, but not actually true.