In antiquity, we see examples of magnifying crystals formed into a biconvex shape as early as the 7th century BC. Whether the people of that period used them either for fire-starting purposes or ...
Every time Grace Eliza Goodwin publishes a story, you’ll get an alert straight to your inbox! Enter your email By clicking “Sign up”, you agree to receive ...
Tania Barone receives funding from the Australian Research Council for research with gravitational lenses. Astronomers are living in a golden age of bigger and better telescopes. But even our most ...
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