"Roulette wheels are designed so that consecutive numbers are opposite each other, one opposite two, etc. The wheel also alternates between red and black while the green numbers, 0 and 00 are opposite."

"Speed is good for the casino but bad for you. The more times you play per hour, the more the house edge compounds and makes it more likely that you will lose overall."

"Roulette seems incredibly simple

"Slot machines have been around since 1887 when San Francisco inventor Charles Fey built a machine featuring three wheels decorated with symbols like diamonds, hearts, and bells, which triggered the jackpot."

"If you turn over a playing card, the chance it will be red is 0.5, or 50%. If the casino was fair, it would pay you $1 for a $1 bet. But if a casino pays you $0.90 instead, it has a 5% edge."