Soap Bubbles, Their Colours and the Forces which Mould Them: Being the Substance of Many Lectures Delivered to Juvenile and Popular Audiences with the Addition of Several New and Original Sections |
Other editions - View all
Soap-Bubbles: Their Colors and the Forces Which Mold Them, Being the ... Charles Vernon Boys No preview available - 2014 |
Common terms and phrases
alcohol amyl acetate angles aniline beads beam becomes benzene bisulphide blow blown blue bounce break bright band Capillarity catenoid Chichester Bell clean coal gas colour curvature curved cylinder described distance drops easily edge elastic skin electrical equal exactly experiment fall film flame float fountain froth glass glycerine grains green light half holes inch in diameter inclination india-rubber inner bubble inside large bubble larvę length lens liquid Lord Rayleigh millimetre millionths mixture nozzle oleic acid outer bubble paraffin perfectly phase photograph piece pipe plate pressure produced pull reflected reversed round saponine screen sealing-wax seen shape sheet side sieve slowly soap solution soap-bubble soap-film speed sphere stretched surface tension thickness thin thinner thinner film thousandths thread travels tube tuning-fork vapour vibrate waist water-drops wave wave-length weight wetted Willard Gibbs wire ring دو
Popular passages
Page 34 - that this movement is referred to in Proverbs xxiii. 31:" Look not thou upon the wine when it is red, when it giveth his colour in the cup, when it moveth itself aright.
Page 22 - They went to sea in a sieve, they did, In a sieve they went to sea : In spite of all their friends could say, On a winter's morn, on a stormy
Page 28 - A centipede was happy quite, Until a toad, in fun, Said, ' Pray which leg goes after which ? ' This raised her doubts to such a pitch She fell distracted in the ditch, Not knowing how to run.
Page 22 - They sailed away in a sieve, they did, In a sieve they sailed so fast, With only a beautiful pea-green veil, Tied with a riband by way of a sail, To a small tobacco-pipe mast ; " • * » * And so on. You see that it is quite possible to go to sea in a sieve—that is, if the sieve is large enough and the water is not too
Page 3 - BY THE AUTHOR AS A TOKEN OF ESTEEM AND GRATITUDE, AND IN THE HOPE THAT IT MAY EXCITE IN A FEW YOUNG PEOPLE SOME SMALL FRACTION OF THE INTEREST AND ENTHUSIASM WHICH HIS ADVENT AND HIS LECTURES AWAKENED IN THE AUTHOR, UPON WHOM THE LIGHT OF SCIENCE THEN SHONE FOR THE FIRST TIME
Page 109 - grains to the inch exactly. This is obtained as follows : The diameter of the circle of which the curved thread is a part is equal to half the length of the thread multiplied by itself and divided by the deviation of its middle point. The diameter of the circle then is 35 x 35 x
Page 108 - grains to the inch in a soapfilm is quite enough in the case of the five-foot loop to make it require some exertion to keep it pulled so that the two threads are not much nearer in the middle than at the ends. In fact, this experiment provides the means by which the feeble tension of
Page 106 - as that of water, for the surface contamination had no time to form. He allowed the liquid to issue from a small elliptical hole in a thin plate covering the end of a tube which came from a reservoir of the solution. When liquid issues from such a hole as at a,
Page 127 - or analytical, this will be a nice problem for you to solve, as also that the surface of the three bubbles and of the three interfaces is the least possible that will confine and separate the three quantities of air. The proof that the three films drawn according to the construction of
Page 110 - 36 inch-grains. Let us pull it out to such a length that the weight of the film drawn out is itself equal to 2 £ grains, that is to the weight its own tension will just carry. By way of example let us consider a film not very thick or very thin, but of the well-defined apple-green colour. This,