Prepare to be shocked and enlightened because it's time to enter the mad world of Nikola Tesla's remarkable inventions! From his 187-foot-high wireless network tower to his lifelong rivalry with Thomas Edison to his disturbing death ray and earthquake machines, Modern Marvels illuminates the genius--and the quirks--behind an electrifying mastermind.

Time to dig through those sofa cushions as Modern Marvels changes the way you think about coin-operated machines! From parking meters and pinball machines to vending machines and coin counters, we explore the ways people spend their quarters, dimes, nickels and pennies every day.