News tagged with naked eye

The light of fireflies for medical diagnostics

In biology and medicine, we often need to detect biological molecules. For example, in cancer diagnostics, doctors need quick and reliable ways of knowing if tumor cells are present in the patient's body. Although such detection ...

dateJul 22, 2015 in Biochemistry
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Why can't we see the center of the Milky Way?

For millennia, human beings have stared up at the night sky and stood in awe of the Milky Way. Today, stargazers and amateur astronomers continue in this tradition, knowing that what they are witnessing is in fact a collection ...

dateJul 10, 2015 in Astronomy
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Comet Lovejoy does the polar plunge

Lots of towns hold a polar plunge fundraising event in the winter. Duluth, Minnesota's version, where participants jump in Lake Superior every February, might just be the coldest. Comet Lovejoy's a season behind, but sure ...

dateMay 11, 2015 in Space Exploration
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New binocular nova discovered in Sagittarius

Looks like the Sagittarius Teapot's got a new whistle. On March 15, John Seach of Chatsworth Island, NSW, Australia discovered a probable nova in the heart of the constellation using a DSLR camera and fast 50mm lens. Checks ...

dateMar 17, 2015 in Astronomy
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Image: Messy peaks of Zucchius

Even to the naked eye, our Moon looks heavily cratered. The snippet of carved and pitted lunar surface shown in this image lies within a 66 km-wide crater known as Zucchius. From our perspective, Zucchius is located on the ...

dateJul 21, 2014 in Space Exploration
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