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jtotheizzoe: freshphotons: Surface Tension. Curious how this sorcery happens? You bet you are. An insect like a wasp or a water strider can rest atop the water, held up by surface tension. This means that the cohesive force of the water molecules sticking to each other is stronger than the force of the bug being … Continue reading →

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freshphotons: “Caustics are captivating light patterns created by materials bundling or diverting light by refraction or reflection. We know caustics as random side effects, appearing, for example, at the bottom of a swimming pool. In this work we show that it is possible to control caustic patterns to form almost any desired shape by optimizing … Continue reading →