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Most of these images were made with a dark room, high speed timer, a computer controlled liquid valve, digital SLR and a couple of Canon 580 EX II flashes.
The trick for the water drop or splash images is to use a dark room. Use the timer to fire a pulse to cause a single drop of water to fall from the valve. The timer next opens the camera shutter (we cannot wait till the splash occurs because it takes too long for the shutter to actually open). A few milliseconds later (usually 70 to 150 ms), a second drop of water is released from the valve
Next the delay time from that second drop to the time the flashes are triggered has to be worked out by trial and error. Delay X ms and look at the result. Too soon? Add 1 ms and try again. Eventually you have the timing dialed in and can start collecting images and see what happens!
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