The knots in your shoelaces are familiar, but can you imagine knots made from light, water, or from the structured fluids ...

Discover how annual percentage yield (APY) impacts your CD investments and learn to compare rates for maximizing returns, with tips on calculating and understanding APY.

Leslie Kramer is a writer for Institutional Investor, correspondent for CNBC, journalist for Investopedia, and managing editor for Markets Group. Robert Kelly is managing director of XTS Energy LLC, ...