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More than 500 mysterious fast radio bursts have been detected by the CHIME radio telescope in its first year of operation, astronomers have revealed. Fast radio bursts, or FRBs, are radio emissions that appear temporarily and randomly from space, ranging from a fraction of a millisecond to a few milliseconds. CHIME has nearly quadrupled the number of fast radio bursts discovered to date, according to the CHIME Collaboration, which includes researchers at Massachusetts Institute of Technology (MIT). The telescope detected 535 new fast radio bursts during its first year of operation, from July 2018 to July 2019. CHIME (Canadian Hydrogen Intensity Mapping Experiment), situated in British Columbia, Canada, has four 328-foot-long U-shaped cylinders, allowing it to detect signals from when the universe was between six and 11 billion years old. ....
see them return today. reporter: as you can see officers are not going any where. activists continue to fight for this land right here, saying they want the city to keep it as an urban farm not space for a condo development as it is expected to become. at first it was a clash between neighbors and demonstrators. never seen you before in the neighbourhood you know, i don t know who you are. i don t know who those people are. clear it out. reporter: demonstrators and police as protestors march towards san francisco, officers blocking off what used to be the temporary hayes valley farm. hey hey go home. reporter: no one crossed the yellow caution tape or the dozens of officers strategically placed to control any growing crowd. people we spoke to have become tired of this growing unpredictable movement. richard walks his dog around this block on a regular basis which has an indefinite, presence. i am reading save the eucalyptus trees they cause fires. report ....
ktvu s jay hernandez at the former hayes valley farm where police forcibly evicted protestors earlier this week to see them return today. reporter: as you can see officers are not going any where. activists continue to fight for this land right here, saying they want the city to keep it as an urban farm not space for a condo development as it is expected to become. at first it was a clash between neighbors and demonstrators. never seen you before in the neighbourhood you know, i don t know who you are. i don t know who those people are. clear it out. reporter: demonstrators and police as protestors march towards san francisco, officers blocking off what used to be the temporary hayes valley farm. hey hey go home. reporter: no one crossed the yellow caution tape or the dozens of officers strategically placed to control any growing crowd. people we spoke to have become tired of this growing unpredictable movement. richard walks his dog around this block on a r ....