The Surprising and Forgotten History of Helium
发布时间 2019-06-28 11:53:45 来源
摘要
Humanity didn't recognize the second most abundant element in the known universe until the nineteenth century. A significant source on earth wasn't discovered until 1903. The discovery and understanding of the element helium played a central role in some of the most important scientific discoveries of the modern era, and helium continues to change the world today.
This is original content based on research by The History Guy. Images in the Public Domain are carefully selected and provide illustration. As images of actual events are sometimes not available, images of similar objects and events are used for illustration.
All events are portrayed in historical context and for educational purposes. No images or content are primarily intended to shock and disgust. Those who do not learn from history are doomed to repeat it. Non censuram.
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Script by THG
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