শুক্রবার, ১৯ অক্টোবর, ২০১২

Slow-mo movie captures firecracker blast in water

Sandrine Ceurstemont, editor, New Scientist TV

Next time you set off a firecracker, try doing it in water for a spectacular effect. A new video captured by Adrien Benusiglio and colleagues from ESPCI ParisTech in France shows how a blast produces a hole on a liquid's surface before causing a jet to shoot up from below.

After tracking an explosion on an open surface, the slow-mo movie reveals the effect of a detonation in a tube. In this case, it creates a water cavity that expands down the length of the container but never travels beyond the edge, regardless of the strength of the blast.

The research will be presented next month at the American Physical Society's Division of Fluid Dynamics conference in San Diego, California.

If you enjoyed this post, see how ants can mimic fluids or check out how star-shaped waves can form in wobbly oil.

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