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Neutrinos are particles with the smallest mass, the weakest interaction, and no electric charge. Neutrinos change as they travel and their oscillations could tell why the universe exists. U of M physicists discovered the third of the three neutrino types and are measuring the oscillations of neutrinos shot through the earth from Chicago to the U of M laboratory in northern Minnesota.
Every mass--be it an apple or the sun--distorts space and time, explains Physics and Astronomy professor Serge Rudaz. Gravity, he says, is the manifestation of that distortion.
This oft-posed question is somewhat nonsensical to Big Bang theorists, says Big Bang expert Keith Olive. That's because, according to their scientific analysis, the Big Bang was the event that created both space and time. Therefore, there was no "around here" and no "before" until the Big Bang occurred.
Continue reading "What was going on around here before the Big Bang?" »
If you're a superhero like The Flash, you can run at super speed. But how much would you have to eat -- and would you breathe all of the Earth's oxygen as you ran? Those are some of the questions posed by U of M physics professor, James Kakalios in his popular seminar "The Physics of Superheroes."
Solid matter will never travel at the speed of light, according to University physics professor Keith Olive.
Continue reading "Will solid matter ever be able to travel at the speed of light?" »
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