Changes

=== Treadmills ===

=== Treadmills ===

Stephen Wolfram<ref>https://writings.stephenwolfram.com/2019/02/seeking-the-productive-life-some-details-of-my-personal-infrastructure/</ref> and [[Seth Roberts]]<ref>https://sethroberts.net/2011/04/18/my-treadmill-desk/</ref> both recommend treadmill work desks. Walking and running is most natural human exercise. It is used in most sports. Treadmills set the the pace and exertion unlike every other form of exercise. As a consequence analyzing fitness with them is much easier. Also it relies less on willpower to keep going fast.

Stephen Wolfram<ref>https://writings.stephenwolfram.com/2019/02/seeking-the-productive-life-some-details-of-my-personal-infrastructure/</ref> and [[Seth Roberts]]<ref>https://sethroberts.net/2011/04/18/my-treadmill-desk/</ref> both recommend treadmill work desks. Gwern conducted a treadmill desk experiment and found that it lessened his typing speed a bit and recall a noticeable amount[https://www.gwern.net/Treadmill] Walking and running is most natural human exercise. It is used in most sports. Treadmills set the the pace and exertion unlike every other form of exercise. As a consequence analyzing fitness with them is much easier. Also it relies less on willpower to keep going fast.

=== Physical energy ===

=== Physical energy ===