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What happened to all of the universe's antimatter? Can a particle be its own anti-particle? And how do you build an experiment to find out? In this program, particle physicists reveal their hunt for a neutrino event so rare, it happens to a single atom at most once every 10,000,000,000,000,000,000,000,000 years: far longer than the current age of the universe. If they find it, it could explain no less than the existence of our matter-filled universe.
PARTICIPANTS: Janet Conrad, Andrea Pocar, Lindley Winslow
MODERATOR: Natalie Wolchover
MORE INFO ABOUT THE PROGRAM AND PARTICIPANTS: https://www.worldsciencefestiv....al.com/programs/nuts
This program is part of the BIG IDEAS SERIES, made possible with support from the JOHN TEMPLETON FOUNDATION.
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TOPICS:
- Panelist Introductions 0:08
- How was antimatter discovered? 1:03
- Conditions required to detect antimatter 3:13
- What are Majorana particles? 4:57
- Who was Ettore Majorana? 7:27
- How would we know if a neutrino is a Majorana particle? 9:02
- Experiments for detecting neutrinoless double-beta decay 12:12
- When did we start looking for neutrinos? 15:02
- IceCube Neutrino Observatory 18:34
- Other types of neutrinos 21:35
- Detecting neutrinos from the sun 24:24
- How did we figure out how to detect neutrinoless double-beta decay?26:44
- How far are we from producing results from the research? 30:45
- GERDA experiment 32:38
- How big of a deal would it be if we detect neutrinoless double-beta decay? 35:38
- What would it mean if neutrinoless double-beta decay doesn’t exist? 42:05
- Are we at the limit of the size of our detectors? 46:00
- Running experiments underground 48:08
- Predictions of when the decay will be seen 53:10
- Is there any evidence of the annihilation of matter and antimatter? 55:12
PROGRAM CREDITS:
- Produced by Justin Weinstein
- Associate Produced by Laura Dattaro
This program was recorded live at the 2018 World Science Festival and has been edited and condensed for YouTube.
Twenty-five hundred years before the reign of Julius Caesar, the ancient Egyptians were deftly harnessing the power of engineering on an unprecedented scale. Find out more in Season 1, "Egypt". #EngineeringanEmpire
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History's greatest engineering and architectural achievements.
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In this illuminating talk, high school mathematics teacher and YouTube star Eddie Woo shares his passion for mathematics, declaring that "mathematics is a sense, just like sight and touch" and one we can all embrace. Using surprising examples of geometry, he encourages everyone to seek out the patterns around us, for "a whole new way to see the world". A public high school teacher for more than 10 years, Eddie Woo gained international attention when he posted videos of his classroom lessons online, to assist an ill student. His YouTube channel, WooTube, has more than 200,000 subscribers and over 13 million views.
Eddie believe that mathematics can be embraced and even enjoyed by absolutely everybody. He was named Australia's Local Hero and was a Top 10 Finalist in the Global Teacher Prize for his love of teaching mathematics. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx
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This video documents the activities of phases one and two of a project whose objective was to promote small-scale processing of cassava as a way of contributing to food security, increasing the income and improving livelihoods of smallholder farmers, creating jobs, and contributing to overall economic development.
The project, “Small-scale cassava processing and vertical integration of the cassava sub-sector in East and Southern Africa”, which ran for a total of eight years and came to an end in 2014, was funded by the Common Fund for Commodities (CFC). It was implemented by the International Institute of Tropical Agriculture (IITA) in collaboration with national partners in five countries: the National Center of Applied Research and Rural Development (FOFIFA) of Madagascar; the Zambia Agricultural Research Institute; the National Agriculture Research Organization (NARO) of Uganda; the Tanzania Food and Nutrition Centre (TFNC), and the Agricultural Research Institute of Mozambique (IIAM).
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Stakeholders discuss the role of youth and agri-tech in Ghana’s dev’t - News Desk on JoyNews (15-7-21)
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