CSI: NY

Not What It Looks Like - S3-E2

Factual error: Season 3, episode 49 (Not What It Looks Like). Breaking glass with sound is possible, but would not work as depicted in the episode. First, in order to break the glass, you have to force the glass to vibrate at its natural frequency - that is, the frequency at which it would vibrate if it were tapped. Each piece of glass has its own natural frequency, depending on a range of factors including size, chemical makeup, shape, hardness, and manufacturing methods. No single frequency would shatter all the glass in the store at the same time. Finally, in order to break the glass the piece has to be closed-ended. You can't shatter a plate of glass with sound (nowhere for the sound waves to resonate). Please see http://www.madsci.org/posts/archives/feb98/887203231.Ph.r.html

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Kevin Hall

Not What It Looks Like - S3-E2

Factual error: Danny explains how the glass was broken using ultrasound waves to hit the glass at their resonant frequency. He explains it could be done using a mp3-file and a mp3-player. As mp3-players are designed for the human ear, the upper frequency limit is around 20 khz, far too low to produce a sound capable of shattering glass.

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Christoph Galuschka Premium member

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Quotes

Mac Taylor: You're not a doctor. You're a murderer with a medical degree.

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Mistakes

The CSIs catch a murder suspect putting down a drink can when reviewing security footage of a robbery, and immediately realise they didn't see it at the scene so assume one of the first cops on the scene must have removed it. Thing is though, the murderers shot out the security camera before the actual shooting occurred, meaning there was loads of time off-camera for the killers to take the can with them, but the CSIs never even consider this - they jump to the conclusion a cop took it even though there's no actual evidence for that.

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Trivia

This was the first episode in which the teaser ends without the CSI team investigating the crime scene.

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