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Сезон 4, Серия 5
Light, Lasers and Citizen Science
On the 50th anniversary of the invention of the laser, Jem Stansfield explains how they work and builds himself one. Dallas Campbell looks at the rise of Citizen Science.
On the 50th anniversary of the invention of the laser, Jem Stansfield explains how they work and builds himself one. Dallas Campbell looks at the rise of Citizen Science.
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