With the 12.7:1 ratio box, cutting through the cones required significant steering input, having to feed the wheel more than half a turn to get it through the course.

A broken wrist or distal radius fracture is an extremely common type of fracture. It accounts for 25% to 50% of all broken bones and is most commonly seen in older females and young males.

The shell of the nautilus, in particular, can be better described as having a spiral that expands by the golden ratio every 180 degrees. And even this is still an approximation.

The Schwarzschild radius is the ultimate boundary: We can receive no information from the black hole that lies within it. It is as if a portion of our universe has been cut off.