News Advocate | 1915-08-13 | Page 8 | The Swiftest Thing We Know

the swiftest thing we know so far as an we know galileo was tho the to try to verify verity the suspicion that light was not really tree from the conditions which trammel ordinary motion in hia his endeavor to measure the sped ot of light galileo eta sta d two observers a couple ot of alien apart at night each armed with a dark darl lantern ono one of them dark enl daod hia him lantern and the other wao was instructed to do the carao same the moment that the first light disappeared d galileo reasoned that if light really took a finite time to cross the dista distance it would be meas measured by halt hit the tire interval between the da darkening r bening of the first observer er a lantern and the disappear anto of the second light from hia his the argument was perfectly round but as tile time in question was about one lift fifty part 0 of a second it IR 1 no wonder that tho the observer failed to detect it yet it Is on a quite similar rollar Bi plan that all tho the modern experimental debern Ina tlona ot of the qt of light have tien ti en made