Art McDonald Public Lecture: A Deeper Understanding of the Universe from 2 km Underground

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1. Is that a kodakan badge on his lapel?
2. "They are asking me to dumb it down a little bit" lolol
3. (Y) :) https://www.facebook.com/photo.php?v=1821382884762291
4. Not to be sold for people over the age of 23 :)
5. great speaker, steller all around! very nice camera work, sound, and editing.
6. thankyou for say labratory, instead of la bor a tory
7. I believe that it will be eventually shown that neutrinos are composed of two photons that are intimately twisted around each other as they travel through spacetime. The net speed is slightly less than c because of the increased relative distance they cover from the twisting motion. One of its component photons leads with a positive charge and the other leads with a negative charge. Neutrinos will be found to be a Majorana particle. But they will not annihilate each other because they are composed of E1 energy. Annihilation results when a particle and its antimatter particle both containing E2 energy converts their E2 energy to E1 energy. Since neutrinos are already E1 energy, they will not annihilate each other.
8. A wonderful scientist ,with exceptional humility, and a brilliant sense of humour. Thank you to all concerned for this talk.
9. Amazing experiment
10. Great Talk. Thank you for the upload.
11. Isn't science just wonderful?!? Seeing a 72 year old that is so passionate and engaged in a subject truly exemplifies the positive impact science has on those who do it. It is the greatest of human endeavors.
12. I love that intro! I am a Physics major / Computing & Software Systems minor in Washington State and I would looove to come visit Perimeter Institute. I look forward to these lectures. Thank you!
13. Raught! What's all this, then? Skip to 6:36, you silly git.
14. Thanks PI for sharing these talks.
15. I love PI!
16. So few views for such an interesting and informative lecture.