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Project Blue and the quest to photograph exoplanets

The world's collective imagination to answer the age-old question, "Are we alone," has been reignited now that we understand exoplanets – planets in orbit around stars other than Earth's Sun – are not uncommon. There's ...

dateOct 24, 2017 in Astronomy
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Video: How do we know the age of the Earth?

The Earth is 4.565 billion years old, give or take a few million years. How do scientists know that? Since there's no "established in" plaque stuck in a cliff somewhere, geologists deduced the age of the Earth thanks to a ...

dateOct 23, 2017 in Earth Sciences
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Understanding rare earth emulsions

Despite their name, rare earth elements actually aren't that rare. Abundant in mines around the world, rare earths are used in many high-tech products, including visual displays, batteries, super conductors, and computer ...

dateOct 13, 2017 in Condensed Matter
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