A Study of Splashes

than one-third of an inch) in diameter, falling 40 cm. (about 16 inches) into milk mixed with water. The object of adding milk to the water was to make it more visible. The

elapsed since the stage marked "T = 0," which is nearest to the first instant of contact. The reader will understand from what has been said that t

r and thicker in the wall, and jets are shot out from its edge or rim. These jets are visible even in the second figure. The black marks on the inside wall of the crater are due to the lamp-black carried down with the drop from the smoked surface

grow thicker, while the next three figures show the crater subsiding and widening, til

RI

ter (40 cm.)

02

07

18

31

40

50

56

al column. Full confirmation of this is obtained from Fig. 12, which represents the emergent column obtained when the circumstances are all the same, except that we have a drop of milk falling into water instead of water fallin

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64

3 se

93

d be noticed that Figs. 16 and 17 show a tendency on the par

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03

16

29

e edge of this circular cake (see Figs. 17, 18, and 19) is the firs

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53

97

17

erved that the disappearance of the first column is very quickly followed by the rise of a secondary column very different in shape, which itself subsides

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nativ

0

40

1

42

2

48

3

53

t crater on the top of the first cake, and we have the series (18b to 24b), in which it will be observed that the rim of the secondary crater spreads rapidly outwards, so that a second wel

the manner in which the advancing edge of the ripple dege

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nativ

8

14

9

37

0

42

1

44

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2

61

3

57

4

11

place a little earlier, or on the other hand is nearly, but not quite, complete when it descends below t

r sequence, the disentanglement of the two series r

bounding column, of which the explanation has been given in

to it from a spoon, at the height of fifteen or sixteen inches above the surface, a single drop of milk. He will have no difficulty in rec

o glimpse is a "stationary" stage. The rebounding column reaches a maximum height, remains poised for an instant, and then descends. The same is true of t

erect in the middle of it. We know now that in reality the crater has vanished before the column ap

r and only half of what they see" may be glad to find at l