Interesting mechanical fact:This is a GIF I made to help explain to my son this interesting mechanical fact. ..in the GIF, the gear on top is called a worm gear. It's driving the big sprocket. That's the only way it will work. It's not possible for the sprocket to turn the... See More »
Apologies to all of you who see weird emoji selections from ME in your feeds.Something is wonky with my mouse. I select an emoji, it flashes and then the wrong emoji appears. Soooo...if you have been confused by a shocked face, a downvote, or another inappropriate response from me...NOT my fault!!! AND....I am very, very... See More »
