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...cyclotron of Ernest Orlando Lawrence neatly finesses such troubles by making a comparatively small voltage act on a particle repeatedly until it attains a speed corresponding to extremely high voltage, thus dispensing with a discharge tube altogether. Most conspicuous feature of the apparatus is an 85-ton electro-magnet whose poles face each other vertically across an 8-in. gap. In the gap is placed a shallow cylindrical tank, pumped out to a high vacuum so that particles inside may move freely without interference from air molecules. Ions such as deuterons (nuclei of heavy hydrogen...

Author: /time Magazine | Title: Science: Cyclotron Man | 11/1/1937 | See Source »

...means of a radio-frequency oscillator a rapidly alternating potential of 50,000 volts is maintained across the tank. Under this influence the deuterons in the centre start to move outward. The effect of the big magnet is to pull them in circles. Just as they complete a half-circle the voltage is reversed, so that they get a kick of 50,000 volts to boost them around the other side of the circle at higher speed. After another half-circle the reversed voltage hits them again, and so on. The deuterons go spiraling outward, faster and faster, toward...

Author: /time Magazine | Title: Science: Cyclotron Man | 11/1/1937 | See Source »

...Carnegie Institution's seismograph station on Mt. Wilson in California, Dr. Hugo Benioff has built recorders which work by electromagnetism. The weight is a magnet hung so that its poles are a tiny fraction of an inch from the armature. When an earth tremor twitches the armature, the distance between it and the magnet changes slightly, altering the magnetic field and creating a tiny electric current which is amplified by vacuum tubes. This current fluctuates the light beam which makes the record, also twitches a galvanometer needle. In the Benioff seismograph, earth movements are magnified 200,000 times...

Author: /time Magazine | Title: Science: Quake-Proof Clock | 4/12/1937 | See Source »

...coaching, assisting in deciding winners, and generally playing wet nurse to the organization; and the minor outside debates to be held before local groups in Cambridge and Boston should foster the interest of many hitherto kept out of the picture. Better distribution of prize money is also a magnet of potential drawing power...

Author: NO WRITER ATTRIBUTED | Title: GOLD IN THE HOUSES | 4/2/1937 | See Source »

Ordinarily, the Grand National is the No. i magnet of the year for U. S. Anglophiles. This year, because the Coronation outranks it as an attraction, there were fewer Americans than usual in the crowd of 500,000. In the Earl of Derby's box sat King George and Queen Elizabeth, who had the good fortune to bet a pound note on the winner. Feature of the race, which only seven of the 33 starters contrived to finish, was the outrageous behavior of a horse named Drim. Drim unseated his rider, ran on without him, caught up with...

Author: /time Magazine | Title: Sport: Grand National, Mar. 29, 1937 | 3/29/1937 | See Source »

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