Celtic knots are optical illusions. They are called “pure knots” because they appear to have no beginning or end. A new class at the Davis Arts Center will show you the secret to drawing Celtic knots ...

For many of us, untangling our earbuds is the extent of our survivalist knot knowledge. Tying knots is just for sailors and mountain climbers, right? Turns out, there are a few simple knots that you ...