Wright brothers aircraft control patent three-axis system

The Wright brothers patented aircraft control, not flight

Before their first powered flight, the Wright brothers filed a U.S. patent for a way to control an aircraft—not for a flying machine itself. Their three-axis control system made fixed-wing powered flight possible and remains standard on airplanes.

M-Pesa brought digital payments to millions

Kenya’s mobile-banking service M-Pesa enabled people to make payments and other transactions by phone. It brought digital transactions to millions of people living in poverty.

China opened Silk Road routes partly in search of better horses

China's Han rulers expanded into Central Asia through war and diplomacy while also seeking valuable goods, including the prized horses of Ferghana. These efforts helped open lasting routes between China and the wider trade networks later called the Silk Road.

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Wright brothers aircraft control patent three-axis system

The Wright brothers patented aircraft control, not flight

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