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Adam Savage walks through two spectacular examples of profound scientific discoveries that came from simple, creative methods anyone could have followed -- Eratosthenes' calculation of the Earth's circumference around 200 BC and Hippolyte Fizeau's measurement of the speed of light in 1849.
2012 • Physics
Ice is one of the strangest, most beguiling and mesmerising substances in the world. Full of contradictions, it is transparent, yet it can glow with colour, it is powerful enough to shatter rock, but it can melt in the blink of an eye. It takes many shapes, from the fleeting beauty of a snowflake to the multimillion-tonne vastness of a glacier and the eeriness of the ice fountains of far-flung moons. Science writer Dr Gabrielle Walker has been obsessed with ice ever since she first set foot on Arctic sea ice. In this programme, she searches out some of the secrets hidden deep within the ice crystal to try to discover how something so ephemeral has the power to sculpt landscapes, to preserve our past and inform our future.
2011 • Physics
Track the evolution of the space suit, from the first pressure suit of the 1930s to outfits that will take man to Mars.
1/4 • Survival in the Skies • 2019 • Physics
Richard Hammond explores the astonishing miniature universe all around us.
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A cloak of invisibility isn't just some Harry Potter fantasy- Dr. Michio Kaku draws up the blueprints for a real invisibility cloak and reveals that vanishing into thin air could be much closer than we think.
S1E5 • Physics of the Impossible • 2009 • Physics