Can you design a mechanism that will trace out the shape of a heart? How about the shape of a moon, or a star? Mechanism ...
The International Mathematical Olympiad (IMO) is a prestigious competition featuring talented high school students from around the world, in which competitors solve complicated mathematical problems.
A 42-year-old construction worker sits across from me in clinic, MRI in hand, convinced he needs surgery. His primary care doctor told him he has a “bad disc.” A friend had a fusion and swears by it.