An international team studies the neutrino, the most common yet least understood particle in the universe.An international team studies the neutrino, the most common yet least understood particle in the universe.An international team studies the neutrino, the most common yet least understood particle in the universe.
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Clyde Cowan
- Self - Physicist
- (archive footage)
Ray Davis
- Self - Physicist
- (archive footage)
Enrico Fermi
- Self - Physicist
- (archive footage)
Peter Higgs
- Self - Theoretical Physicist
- (archive footage)
Eric Meyers
- Narrator
- (voice)
Wolfgang Pauli
- Self - Theoretical Physicist
- (archive footage)
Bruno Pontecorvo
- Self - Physicist
- (archive footage)
Fred Reines
- Self - Physicist
- (archive footage)
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- Writer
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Featured review
A Poetic Scientific Documentary
This documentary shows what led to the quest for the fourth kind of neutrino. Long story short, in the early 20th century the existence of neutrinos was speculated. Then in 1956, neutrinos were directly observed by Clyde Cowan and his colleagues (an effort that was awarded a Nobel Prize four decades later). Later on, it was discovered that neutrinos had flavors and currently it's agreed that there are three known flavours. However, something in their behavior, the fact that they oscillate to different flavours in very short distances, has made physicists suspect there is a fourth one.
What made this really interesting to me was how poetic they made that out to be, i.e., the existence of an elusive fourth kind that might, at the same time, be hinting at the existence of a whole new set of particles, completely unknown to us. They argue that the fourth kind of neutrino might be the doorway to finally understanding dark energy and dark matter making up roughly about 70% and 25% of the universe, respectively.
When I was younger I used to love fantasy (I still do) but it is becoming obvious to me that the world is truly fantastical and I mean the literal meaning of the word from the objective world to the subjective experiences of all of us, it is fascinating beyond belief.
By the way, in the Standard Model of particle physics, there are matter particles and force careers. The former consists of quarks (combine to form protons and neutrons) and leptons (electrons and neutrinos). The force carriers constitute bosons (e.g., photons) and the Higgs particle, the discovery of which made quite a stir a couple of years ago. Also, the existence of dark matter and dark energy was proved by the observations that systems close to the edge of galaxies don't get torn apart and that the rate of the expansion of the universe is increasing (not decreasing).
NOVA is documentary series that has been running since 1974 on the PBS network. It is truly amazing and heartwarming that such a quality program is freely available.
What made this really interesting to me was how poetic they made that out to be, i.e., the existence of an elusive fourth kind that might, at the same time, be hinting at the existence of a whole new set of particles, completely unknown to us. They argue that the fourth kind of neutrino might be the doorway to finally understanding dark energy and dark matter making up roughly about 70% and 25% of the universe, respectively.
When I was younger I used to love fantasy (I still do) but it is becoming obvious to me that the world is truly fantastical and I mean the literal meaning of the word from the objective world to the subjective experiences of all of us, it is fascinating beyond belief.
By the way, in the Standard Model of particle physics, there are matter particles and force careers. The former consists of quarks (combine to form protons and neutrons) and leptons (electrons and neutrinos). The force carriers constitute bosons (e.g., photons) and the Higgs particle, the discovery of which made quite a stir a couple of years ago. Also, the existence of dark matter and dark energy was proved by the observations that systems close to the edge of galaxies don't get torn apart and that the rate of the expansion of the universe is increasing (not decreasing).
NOVA is documentary series that has been running since 1974 on the PBS network. It is truly amazing and heartwarming that such a quality program is freely available.
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- Fatemeh_Hadi
- Dec 20, 2021
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