BeschreibungUltra slow-motion video of glass tea cup smashed on concrete floor.webm
English: A glass tea cup intentionally smashed on a concrete floor, while filming it with the built-in slow motion video function of an iPhone. The resulting video was then further slowed down using the VLC video software, so that this file is running with a speed about 20 times lower than normal (factor 0.05). This video has no sound, as it would have an extremely low frequency. The video in real-time with sound can be seen here: File:Glass tea cup smashes on concrete floor - close-up video.webm, see also below.
At a time of 6 to 7 seconds from start of this video, a larger shard is flying directly towards the recording iPhone and smashes on it, leading to a visible shaking of the iPhone camera and a subtle change of perspective. In the real-time version, this shows as a seemingly strange and sudden change of viewing angle (in up-down direction) during the video directly connected to the smash - and about 1.5 sec (in the real-time video) after this, the iPhone returns to its original position, leading to a second slight shift of perspective. In the above slo-mo video, the 2nd moving of the iPhone occurs at about 35 sec.
A video of the experimental setup with the tea cup at the position where it crashed shortly after. The iPhone used to take this video was then positioned between the two flashlights and the glass tea cup was released from the filmer's/director's/experimenter's hand from about 1.30 m height.
Photo of the same situation. The floor is made of concrete and in the cellar of a house.
The video converted to real-time
Slo-mo version (slightly less retarded than current video) with original sound
Walkthrough in the very large (long) cellar in the middle of which the above was made
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