Some media reports have suggested they used mobile phones fitted with laser scanners to measure the speed of the roulette ball when it was released, in order to calculate where it was likely to fall.

In the game of roulette, a ball spins around on the rim of a wheel in the opposite direction to the direction the wheel is spinning. Eventually it rolls out of the rim, hits one of a number of ...

This is because the ball bounces around as it strikes various obstacles. Every roulette wheel is slightly different. Atmospheric conditions continually change and the wheel itself has features ...