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How Black Lights Work

science.howstuffworks.com/innovation/everyday-innovations/black-light.htm

Black lights cause everyday objects to glow in the dark. Learn how black lights work and about uses for different types of black lights.

Event Horizon Telescope Getting Historic Look at Milky Way's Black Hole

science.howstuffworks.com/event-horizon-telescope-imaging-black-holes.htm

The Event Horizon Telescope has begun imaging the supermassive black hole at the center of the Milky Way. Learn more at HowStuffWorks.

What if you fell into a black hole?

science.howstuffworks.com/science-vs-myth/what-if/what-if-fell-into-black-hole.htm

What if you fell into a black hole? Explore the hypothetical and discover what might happen if you fell into a black hole.

Drop the Doughnut: True Nature of Ravenous Supermassive Black Holes Revealed

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Scientists have just made a new discovery about the throbbing galactic hearts known as 'active galactic nuclei,' or AGN. Learn more at HowStuffWorks.

A Portion of Your Suntan Comes From Distant Galaxies

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Does radiation from beyond our galaxy reach our skin? Learn more in this HowStuffWorks Now article about photons, radiation and sunburns.

Scientists Control Cells With Light, Make Cool Artwork

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Scientists are figuring out how to build and boss around bacteria in ways that are helpful to humans. Learn more at HowStuffWorks.

Gravitational Waves Detected for a Third Time, Revealing Another Black Hole Collision

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The Laser Interferometer Gravitational-wave Observatory (LIGO) has detected a gargantuan black hole smashup for the third time. Learn more at HowStuffWorks.

Can humans survive on air alone?

science.howstuffworks.com/innovation/edible-innovations/breatharian.htm

Breatharians believe they can live only on the energy from sunlight, and do not need nourishment from food. Read all about the practice of Breatharianism.

Could I see a flashlight beam from Earth on the moon?

science.howstuffworks.com/question441.htm

If I was on the moon and the earth was black (no lights were on) and a flashlight was turned on facing the moon, would I see the light? If I couldn't, would there be any way to detect any residual matter that came from the light on Earth or does light die after a certain distance?

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