News tagged with red light

What causes the sunlight flavour in milk?

Most of us have tasted milk that has been left in the sun – it has a distinctive off-flavour. The reason is that milk and other dairy products turn rancid when exposed to light.

dateMar 03, 2015 in Other
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Are aliens watching old TV shows?

You've probably heard the trope about how aliens have been watching old episodes of "I Love Lucy" and might think these are our "historical documents". How far have our signals reached?

dateJan 20, 2015 in Space Exploration
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