Word: limits
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Dates: during 1960-1960
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...Limit Mill St. Parking...
...ballot will include six or seven choices, such as whether or not to limit seconds on meat, to use margarine instead of butter, and to mix powdered milk with whole milk. There will also be a provision for students to indicate a preference of no changes...
...course's 100-member limit was exceeded by 25 to offset any post-sectioning drop-outs...
Counting Showers. For many years Professor Bruno Rossi of M.I.T. has hunt ed for cosmic rays above this critical limit. The original energy of a cosmic ray can be measured by counting the second-ary particles that it showers down on the earth after colliding with air molecules in the high atmosphere. If its energy is 1016 (io million billion) electron volts, it generates millions of particles, mostly electrons and mesons which spread over many acres of ground. More powerful rays give even bigger showers...
...Next day Dr. Linsley got the exciting news. The shower peppered the ground with io billion particles, and when it hit the atmosphere, it carried 20 to 40 billion billion electron volts. This made it by far the most powerful ray ever detected. Its energy, far above the critical limit, proved that it must have come from outside the Milky Way galaxy. Very likely it had been traveling for billions of years, pushed by unknown forces from an unknown source...