Tag: optics

  • Q&A with Greg – Black Holes, Consciousness, My Research, and More!

    Q&A with Greg – Black Holes, Consciousness, My Research, and More!

    We did something a little different in this episode and answered questions from you, our viewers. If you have a questions about the universe, past videos, or life as a scientist, leave a comment below!

    Subscribe: https://www.youtube.com/WhatThePhysics?sub_confirmation=1

    Three of the answers are related to previous videos:
    – How to See Quantum with the Naked Eye: https://www.youtube.com/watch?v=YiZP6YpnMds
    – Can We Measure Consciousness? https://www.youtube.com/watch?v=laOZjSFdj24
    – 3 Things Faster than Light: https://www.youtube.com/watch?v=kNqf-FsUMww

    Images courtesy of CERN and ATLAS.

  • How to See Quantum with the Naked Eye

    How to See Quantum with the Naked Eye

    How can you train yourself to be a quantum detector? Quantum interactions happen at impossibly small scales. But the life-size effects are all around you. You can detect quantum mechanics all over — if you know how to look for it.

    Subscribe: https://www.youtube.com/WhatThePhysics?sub_confirmation=1

    Have questions, ask me:
    twitter @gkestin

    Check out https://www.youtube.com/user/EugeneKhutoryansky, who was kind enough to share his water wave animation with us.

    ADVANCED SCIENTIFIC NOTE: Quantum mechanics would be much more obvious if we had very sensitive eyes. If your eyes identified each photon individually, you would see them land as described in the video, and only build up to this wave pattern. The pattern that we see can be explained classically by waves, it is *ultimately* a quantum phenomenon. The only reason it’s hard to tell is because our light detectors (eyes) aren’t quite sensitive enough.

    CREDITS:

    Host, Producer: Greg Kestin

    Researcher: Samia Bouzid

    Writers: Samia Bouzid, Greg Kestin

    Scientific Consultant: Louis Deslauriers

    Editorial Input from: Julia Cort, Ari Daniel

    Animation and Editing: Greg Kestin

    Special thanks: Entire NOVA team

    From the producers of PBS NOVA © WGBH Educational Foundation

    Funding provided by FQXi

    Music provided by APM

    Footage of bridge and man holding child: Videoblocks

    Sound effects: Freesound.org

  • So You Want a Degree in Physics

    So You Want a Degree in Physics

    Even if you don’t, watch anyway. Maybe I’ll convince you. And if not, maybe I’ll impart some important skills or perspectives upon you. A lot of what I say can be applied not only to physics, but to other academic disciplines as well.

    Online resources for learning math:

    Khan Academy
    https://www.khanacademy.org/math/
    patrickjmt
    https://www.youtube.com/user/patrickJMT
    Dr. Chris Tisdell
    https://www.youtube.com/user/DrChrisTisdell/
    MIT Open Courseware
    https://www.youtube.com/user/MIT

    Here are some resources for learning physics (in order of increasing difficulty)

    Amateur (little to no math)
    A Briefer History of Time by Stephen Hawking
    The Grand Design by Stephen Hawking and Leonard Mlodinow
    The Elegant Universe by Brian Greene
    Cosmos by Carl Sagan
    Fearful Symmetry by Anthony Zee

    Recruit (some calculus, maybe a DiffEQ here or there)
    University Physics by Roger Freedman
    Physics (Vol 1 and 2) by Resnick, Halliday, and Krane

    Regular (know calculus cold, and have a good handle on DiffEQs)
    An Introduction to Mechanics by Kleppner and Kolenkow
    Electricity and Magnetism by Purcell
    Classical and Statistical Thermodynamics by Ashley Carter

    Hardened (all of the “baby maths” should be second nature to you)
    Classical Mechanics by Taylor
    Introduction to Electrodynamics by Griffiths
    Introduction to Quantum Mechanics by Griffiths
    Introduction to Elementary Particles by Griffiths

    Veteran (you will not survive)
    A Modern Approach to Quantum Mechanics by Townsend
    Quantum Field Theory in a Nutshell by Anthony Zee

    Studies indicating that studying in pairs is ideal:
    Hake, R. R. (1998). Interactive-engagement versus traditional methods: A six-thousand-student survey of mechanics test data for introductory physics courses. American journal of Physics, 66, 64.

    Hoellwarth, C., & Moelter, M. J. (2011). The implications of a robust curriculum in introductory mechanics. American Journal of Physics, 79, 540.
    Prince, M. (2004). Does active learning work? A review of the research. Journal of engineering education, 93(3), 223-231.
    http://www.sciencedirect.com/science/article/pii/S030095720100449X
    http://www.colorincolorado.org/article/13346/

    Support me on Patreon: https://www.patreon.com/user?u=581251

  • Disappearing Color Wheel – Sick Science! #182

    Disappearing Color Wheel – Sick Science! #182

    Find out how this works at: http://www.stevespanglerscience.com/lab/experiments/disappearing-color-wheel

    When Sick Science! first got its start, we introduced an experiment called the Color Mixing Wheel. This spinning science toy was a great way to show you what happens when the primary colors blend together to make secondary colors. Our Sick Scientists have taken it a step further. What happens when you spin a wheel that has all 6 primary and secondary colors?

    Want more experiments like this? Check out http://www.stevespanglerscience.com/product/naked-eggs-and-flying-potatoes

    Sick Science™ is a trademark of Steve Spangler, inc.

    © 2014 Steve Spangler Science all rights reserved