Word: arcs
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...President and Mme Albert Lebrun a hollow square of close-riding, flashing-helmeted cavalry of the Garde Républicaine, added motorcycle outriders for good measure. There were 10,000 reserve officers in the houses along the route. Thus the State progress from the Bois de Boulogne to the Arc de Triomphe, down the Champs-Elysees, across the Place de la Concorde to the Palais d'Orsay, last week was a stately military parade, enlivened by wave on wave of cheering, and by Gaelic chaffing at the expense of "That scared rabbit Sarraut!" As the King...
Sister Mary persuaded her superiors to provide the money for a pendulum to occupy nine stories in the unused shaft. The chromium-plated bob weighs 30 pounds, makes one back-&-forth oscillation through an arc of about six feet every twelve seconds. At the centre of the swing, the bob passes close to a waxed indicator table, and by means of a high voltage transformer an electric spark is passed from the bob to the wax, makes a mark showing the amount of rotation every hour-or oftener if desired for demonstration purposes. To start the pendulum going, without torque...
...measurements of lunar motion which he started making a half-century ago have recently been rechecked with the help of modern calculating machines. Dr. Brown remarked with evident amusement that only two extremely slight errors had been found, both amounting to less than 1/100 of a second of arc on the curve...
...crowd was not disappointed. With gaping mouths it watched jumper after jumper slant through the air-eight with leaps of over 200 ft.-but it was 130-lb. Birger Ruud who made the spectators gasp with his prodigious and perfect jump of 216 ft., a whizzing arc ending with the wood slapping evenly on the hard snow...
Some hundreds or thousands of years before Christopher Columbus, a huge cluster of metallic meteorites-or a small comet-400 or 500 ft. in diameter and weighing millions of tons, entered the Earth's atmosphere over northeastern Canada, plunged southward in a flaming, thundering arc over the Dakotas and Colorado, no doubt scaring thousands of savages almost out of their wits. Coming to Earth in northern Arizona, the monstrous cluster plunged into the desert, converted underground water into steam, hurled huge gobs of earth and stone skyward to fall back into the crater. The main body of the meteorite...