Think of a Number Season 4 Episode 5 Dangerous Curves 1982
6.5/10 by 2 users
Find out how you can draw hyperbolas, parabolas and about the illusion that something is there when it isn't. So this week watch out for things that go with a swing, and for curves there's no place like cone.
- Released: 1982-10-13
- Runtime: 30 minutes
- Genre: Family, Kids
- Stars: Johnny Ball
- Director: Johnny Ball, Ann Reay, Cynthia Felgate
