Iron Cross simulator

How reaction controls made space flight possible

As you might expect, launching humans into space required a great deal of clever engineering and innovation. But before the enormous rockets and shiny lander modules, it was a few quirky theories and outlandish inventions that really helped pave the way for space travel as we know it. New book Breaking The Chains Of Gravity tells the story of the scientific advances, personalities and rivalries that laid the foundations for the space race between America and Russia
Sound barrier

What is the sound barrier?

Breaking the sound barrier means exceeding the speed of sound at 12,192 metres (40,000 feet), that’s about 1,062 kilometres per hour (660 miles per hour)

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