Quiz: The Effects of Artificial Light

Image Credits:
» A view of the Manhattan skyline (Wicked Delicate Films LLC)
» Question 1. (Wicked Delicate Films LLC)
» Question 2. (Flickr user opalsson)
» Question 3. Alarm Clock (Image by Alan Cleaver)
» Question 4. Light pollution in a NYC bedroom (Wicked Delicate Films LLC)
» Question 5. The Milky Way above an AZ observatory. (Wicked Delicate Films LLC)
» Question 6. Lighting store owner Larry Birnbaum shows off his collection of antique and modern lighting. (Wicked Delicate Films LLC)
» Question 7. Filmmaker Ian Cheney under a typical high pressure sodium streetlight in New York City. (Wicked Delicate Films LLC)
» Question 8. Replica of Thomas Edison's first lightbulb (National Park Service)