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Physics Girl: This Thing Is -270°C and Is EVERYWHERE

9 minutes 29 seconds

Now Playing As: Captioned (English) (change)

In this episode, host Dianna Cowern explores one of the most mysterious discoveries in physics from the 1960's: a constant microwave signal that seemed to be coming from everywhere in the universe. It turned out to be light from an unusual process 13.8 billion years ago and originated from the beginning of the universe. Part of the "Physics Girl" series.

Media Details

Runtime: 9 minutes 29 seconds

Topic: Science
Subtopic: Astronomy, Physics, Space Sciences
Grade/Interest Level: 10 - 12
Standards:

Release Year: 2020
Producer/Distributor: Physics Girl
Series: Physics Girl
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A black hole in the center of a galaxy. Caption: Black hole.

A magnet film is placed on the surface of an electronic device, which results in the appearance of a specific pattern on the magnet film.

A spring fixed at one end is stretched below resonance, at resonance, and above resonance. The largest stretch in the spring is seen at resonance.

A whirlpool forms on the surface of water. Credit: Christine Westerback.

Three large speakers are present beneath a stage. Caption: Subwoofers

Large number of electric sparks can be seen in a plasma ball.

A comparison of the view, of letters placed below, through a straw submerged in water and alcohol. The view through water submerged straw is more magnified when compared to the view through alcohol submerged straw.

A screenshot of 2008 physics exam problem 4, labeled sticky disks.

A diagram depicts the musculature of lower back. Caption: Gluteus Maximus,

A giant concrete tunnel runs through a desert. Caption: Laser interferometer gravitational wave observatory.