Two slot machines at the Mohegan Sun casino, where one person won two jackpots in a single evening. (Courtesy of Mohegan Sun) ...

The player hit a jackpot on a "Dragon Link" slot machine.

In this video, we test two popular slot strategies at a Las Vegas casino using the same slot machines and a $5 bet amount.

Slot machines are one of the most popular games in casinos, attracting players with bright lights, exciting sounds, and the thrill of hitting a jackpot. But have you ever wondered how they really work ...