1.0Gizmodo Australiahttps://gizmodo.com.auGizmodo Internationalhttps://gizmodo.com.au/author/gizmodointernational/How Two Women Made Your Watch Glow In The Darkrich600338<blockquote class="wp-embedded-content" data-secret="Kg7AYZoYfk"><a href="https://gizmodo.com.au/2014/06/how-two-women-made-your-watch-glow-in-the-dark/">How Two Women Made Your Watch Glow In The Dark</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://gizmodo.com.au/2014/06/how-two-women-made-your-watch-glow-in-the-dark/embed/#?secret=Kg7AYZoYfk" width="600" height="338" title="“How Two Women Made Your Watch Glow In The Dark” — Gizmodo Australia" data-secret="Kg7AYZoYfk" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script>
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https://gizmodo.com.au/wp-content/uploads/2014/06/13/dm1asbhgfic8zjkptgvv.jpg?quality=751280580On 21 December 1898, Marie and Pierre Curie discovered the radioactive element radium (in the form of radium chloride), extracting it from uraninite. They first removed the uranium from the uraninite sample and then found that the remaining matter was still radioactive, so investigated further. Along with the barium in the remaining substance, they also […]