wonderous discovery

WTF!!! Live Electrical Current Fun In Pool Party

Win. Can anyone be so dumb as to do this?!


[Gizmodo: How to win a Darwin Award: Float a live surge protector in a pool on flip flops]

If you really don't know why that's moronic, here's a good explanation by trotskysghost:

I'm an electrical engineer and I did my internship working at an amusement park with several water slides. I am VERY well aquainted with electricity and pools. If a grounded plug strip such as that were to be submerged, it would electrify the entire volume of water in that pool. The return path to ground would likely be through the plug strip's own grounding pin. The rubber material of the pool would PROBABLY insulate the pool water from the ground, but not all plastic is an insulator. I actually had a problem where a plastic was conducting enough of a leakage curent to throw off electronic water quality sensors.

In the US the National Electric Code (NFPA 70) requires the use of Ground Fault Circuit Interupters (GFCI) on all cicruits that are likely to come into contact with water, and I am pretty sure that the IEC also requires the use of GFCIs. It takes very little current across the heart to kill someone, approximately 0.04 Amperes, and seeing as most circuit breakers are rated at least 10 amperes, you do the math.

People die everyday from electrocution by 110/220V AC. Even experienced electricians who take the proper safety percautions are not always safe.

How moronic can people be?!?!

Speed of Life

Wow, New Scientist has highlighted a new study from quirky pychologist Richard Wiseman, in which he measured people's walking speed on an uncrowded 18 metres long pavement.

New Scientist Short Sharp Science: Quickstep World is Walking Faster
Quirkology Pace of Life Project

Guess who is right at the top of the list? Nope, not New York, not Japan, not Taipei either. It's SINGAPORE!!!! We topped the list by taking an average of 10.55 seconds for the walk. Man, either a Singaporean flew across the pavement, skewing the results, or Singapore is on track for one of the athletic medals. Brisk walkers club, anyone?

Anyway, the methodology has not been publicised, but the finding says on average, people are walking 10% faster than 10 years ago.

Now, if only I can walk faster to catch that train I always missed in the morning.... grr.....

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