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Vacuum Speed Limits Light

This is a news story, published by MSN, that relates primarily to Bose-Einstein Condensate news.

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Cherenkov light

IFLScience

IFLScience

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Scientists slow light to 17 meters per second in Bose-Einstein Condensate experiment

IFLScience

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77% Informative

In 1998 , scientists were able to slow light to just 17 meters per second, or 61.2 kilometers ( 38 miles ) per hour.

The speed of light in a vacuum is the absolute speed limit of the universe.

In water, for example, light is slowed down to 225,000 kilometers per second ( 139,800 miles per second) but can be beaten by particles.

The team were keen to study Bose-Einstein Condensate , a state of matter first hypothesized by Albert Einstein .

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informal

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English

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43

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long-living

External references

12

https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.105.240401#:~:text=Abstract,by%20means%20of%20Bragg%20spectroscopy.https://www.nist.gov/system/files/documents/2017/05/09/bec-vis-nistir6355.pdf#:~:text=The%20wave%20function%20of%20a,as%20a%20single%20quantum%20entity.https://www.iflscience.com/cherenkov-light-seen-for-the-first-time-in-nuclear-fusion-setup-70261 https://www.pnas.org/doi/full/10.1073/pnas.94.7.2774 https://www.livescience.com/54667-bose-einstein-condensate.html https://www.aps.org/apsnews/2004/06/june-5-1995-first-bose-einstein-condensate https://science.nasa.gov/biological-physical/stories/the-fifth-state-of-matter/https://www.nature.com/articles/17561 https://news.harvard.edu/gazette/story/1999/02/physicists-slow-speed-of-light/https://groups.seas.harvard.edu/haulab/slow_light_project/ultra_slow_light/ultra_slow_light.htm https://www.pnas.org/doi/10.1073/pnas.1707804114 https://www.simply.science/images/content/chemistry/states_of_matter/kinetic_particle_theory/conceptmap/states_of_matter_intro.html#:~:text=One%20effect%20of%20this%20is,film%20because%20of%20this%20property.

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journals.aps.org www.nist.gov www.iflscience.com www.pnas.org www.livescience.com www.aps.org science.nasa.gov www.nature.com news.harvard.edu groups.seas.harvard.edu www.simply.science

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