First Aired: February 23rd, 2012
Status: Continuing
Network: YouTube
Summary: Physics Girl is a resource for fun physics videos and other materials about physics and topics related to physics. Initially started as a post-baccalaureate "not sure what I'm supposed to do with my life" project, it has grown into a resource for teachers, a source of entertainment for physics nerds, and a way for me to share a passion for physics while advocating for women in the sciences. If you have an idea for a fun physics video, feel free to contact Physics Girl.
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Season 2016
Episode 1: 5 amazing stars we’ve discovered in space
Air Date: January 12nd, 2016
Summary: 5 of the most unusual, amazing and interesting stars we've discovered in our universe.
Red giants, supernovas, hybrid stars, orbiting binaries, large stars, old stars, small stars, we've discovered thousands of stars within our milky way galaxy. Astronomers use incredible tools to figure out the characteristics of a star. These are 5 of the most amazing stars we've ever discovered in our galaxy.
Episode 2: Spaceships pushed by LIGHT – the future of space travel?
Air Date: January 19th, 2016
Summary: What if you could power a ship using sunlight instead of wind? Well in space, you can! Solar sails or light sails are pushed with light from the sun. Photons provide a kick when they reflect off the sail pushing the sail like an air molecule in the wind pushes a sailboat. Find out how a solar sail works and about the future of this technology!
Episode 3: The black hole death problem
Air Date: February 2nd, 2016
Summary: Black holes are not as black as we once thought. They are theorized to die a slow death by evaporation, emitting energy known as Hawking radiation. But the mechanism for evaporation is not well understood. Then again, no one has ever even directly detected a black hole.
Episode 4: 5 weird ways to put out a candle
Air Date: February 9th, 2016
Summary: What happens when you pour liquid nitrogen on a flame? What about when you blow on the flame with a cup in the way? Try these five unusual ways to extinguish a candle. Pour out the flame with CO2. Cut off the oxygen supply to the flame without fully covering it. Snuff out the flame with a coil of copper wire, and when it appears dead, it will amazingly come back to life!
Episode 5: Gravitational Waves Discovered for the First Time!
Air Date: February 19th, 2016
Summary: On Feb 11, 2016 Scientists at LIGO announced that they had detected gravitational waves for the first time. In the press conference heard round the world, they showed the tell-tale waveforms indicating that huge event in which two black holes merged 1.3 billion lightyears away, had created waves that passed by the LIGO detectors and were finally heard. Einstein predicted the existence of these waves in his 1915 theory of general relativity. But it took a long time for us to come up with the technology to detect them. For one, we had to invent lasers! This video discusses why this discovery is important, what it means for astronomy, and what’s next. If you can’t tell, I’m very excited.
Episode 6: Quantum Cryptography Explained
Air Date: March 1st, 2016
Summary: With recent high-profile security decryption cases, encryption is more important than ever. Much of your browser usage and your smartphone data is encrypted. But what does that process actually entail? And when computers get smarter and faster due to advances in quantum physics, how will encryption keep up?
Episode 7: Is energy always conserved?
Air Date: March 15th, 2016
Summary: When light passes through the universe and is redshifted by the expansion of space itself, how is energy conserved? The stretched light has a longer wavelength and therefore a lower energy. Is energy conserved? If so, where does it go?
Episode 9: How does laser cooling work?
Air Date: March 30th, 2016
Summary: How can light be used to cool atoms and molecules ? Lasers are known to burn things, fix eyes, and dance on powerpoint presentations. But they can also be used to cool objects to some of the coldest temperatures in the universe.
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