Originally published at: https://boingboing.net/2018/07/31/this-is-why-you-should-wear-a.html
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Lol the employee name printed on the hard hat is “MEL WATERS” 
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Impact is not measured in units of force.
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Er, huh? Yes it is. I prefer newtons to pounds, but the imperial unit perfectly valid.
Are you maybe thinking of impulse? That would be in newton-seconds (or pound-seconds).
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B-b-b-but I walk down the street surrounded by buildings full of bolts and mugs and… oh dear.
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Plus, the watermelon wasn’t wearing a safety restraint!
This test is bogus. Watermelons can’t react when someone 3 stories up yells “Heads!”. Those of us with ears know what to do in that situation.
I appreciate the faces they drew on the melons.
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Look up to see what is falling and from where, then get hit on the face instead of your hard hat?
Not really sure of yelling heads on a construction site… :-/
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I would like to see what happens when the hard hat is properly fitted. Does it still fall off?
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Imperial units have a certain claim to appropriateness as a measure of force.
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I chuckled out loud.
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On the job site, a hard hat isn’t just protection against potentially grievous impact but also that against most potential minor head impacts from pipe and duct runs that would otherwise have you reaching for a bottle of aspirin.
I’m quite fond of mine.
A properly fitted hard hat with the type of twist-knob ratchet worn in this video will hug just slightly underneath the occipital part of the skull preventing it from falling off easily. Properly ratcheted, it would be take a lot of effort to pull one of these off of your head. I’d expect an impact like this would definitely knock it askew, though.
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Plus, a Newton is easier to visualize, being the the force necessary to move Sir Isaac Newton one meter per second squared. Pretty sure that’s right. High school was a long time ago…
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Little surprised they are that robust. Must be a good polycarbonate.
Still better than falling off, in case of a shower of bolts.
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There are three situations where wearing a hard hat is mandatory:
- working on the job site
- when your supervisor or primary contractor tells you to
- whenever ironworkers are nearby, even if they’re just eating lunch
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Now, who wants a body massage?
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