Archive | Physics

Ep. 83: Wave Particle Duality

Have you ever heard that photons behave like both a particle and a wave and wondered what that meant? It’s true. Sometimes light acts like a wave, and other times it behaves like a little particle. It’s both. This week we discuss the experiments that demonstrate this, explain how scientists figured it all out in […]




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Ep. 80: Craters

Pamela’s attending the 39th Lunar and Planetary Sciences Conference, and you know what that means: the Moon… and planets! When you think of the Moon, you think of craters. In fact, that’s a big theme this week at the conference, so Pamela took it as inspiration. Here you go, the week we drove the show […]




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Ep. 76: Lagrange Points

Gravity is always pulling you down, but there are places in the solar system where gravity balances out. These are called Lagrange points and space agencies use them as stable places to put spacecraft. Nature is on to them and has already been using them for billions of years. (more…)

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Ep. 74: Antimatter

Sometimes, we don’t get to decide what our show’s about. So many threads come together at the same time driving the decision for us. This is one of those situations. We’ve gotten so many questions from listeners in just the last week about antimatter that our show had just been chosen for it. You command, […]




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Ep. 73: Questions Show #8

We’ve been so crazy following our own whims through the universe that we’ve neglected your questions. That ends today. It’s time to dig deep into our overflowing email box to retrieve the puzzling questions our listeners have sent in. Episode 73: Questions Show #8 (16.8MB)




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Ep. 72: Cosmic Rays

We’re going to return back to a long series of episodes we like to call: Radiation that Will Turn You Into a Superhero. This time we’re going to look at cosmic rays, which everyone knows made the Fantastic Four. These high-energy particles are streaming from the Sun and even intergalactic space, and do a wonderful […]




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Ep. 69: The Large Hadron Collider and the Search for the Higgs-Boson

When it was first developed, the standard model predicted a collection of particles, and thanks to more and more powerful colliders, physicsists have been able to find them all except one: the Higgs-Boson. It’s an important one because it should explain how objects have mass. The European Large Hadron Collider should have the power and […]




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Ep. 58: Inflation

We interrupt this tour through the solar system to bring you a special show to deal with one of our most complicated subjects: the big bang. Specifically, how it’s possible that the universe could have expanded faster than the speed of light. The theory is called the inflationary theory, and the evidence is mounting to […]




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Ep. 48: Tidal Forces Across the Universe

Last week we talked about tidal forces within our solar system. This week we’re going to expand our view and encompass the entire universe. Some of the most dramatic events originate from tidal forces caused by gravity: other worlds, galaxies, black holes and even entire clusters of galaxies are under this influence.  Episode 48: Tidal […]




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Ep. 47: Tidal Forces

Consider the following: we’ve got tides here on Earth, the Moon only shows one face to the Earth, we’ve got volcanoes on Io, and ice geysers on Enceladus. All these phenomena originate from a common cause: the force of gravity stretching across space to tug at another world. Episode 47: Tidal Forces (13.4MB) 




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