Chris Croft's Personal Blog

February 23, 2010

How can they possibly work?

Filed under: Random stuff - uncategorisable — chriscroft @ 1:47 pm

Magnets on your incoming water supply

in order to stop your pipes furring up.

Could be true if the magnetised particles don’t stick to the copper pipes.  But then again….

Magnets on  your petrol supply line to your engine

to improve your fuel economy (surely the calorific value would be the same?)

Sea Sickness Bands

They press on your wrist slightly – but surely that isn’t going to make any difference to the churning in your stomach?

Although when I tried one I think it did work. I still felt queasy, but breakfast stayed down.

Anyone else had experience of them working or not?

Any theories about how they might work? (And no refloxology crap please! – I’m looking for logic and science!)

Knowing if there is a laptop in the boot of your car

Some people say there is a device which can detect laptops even if they are switched off, so the chavs break in and steal them. But can the induction of the coils in the power supply be strong enough to get through the metal of your boot? Or is it the battery that keeps the clock going somehow giving off electromagnetic radiation? I don’t think it’s likely to be true…

Putting a tea spoon in the top of a champagne bottle…

to keep it from going flat.  Yeah, right!

Those damper things that go between the strings of a tennis racket.  My wife swears by hers.

I have been told:  I think the way these work is not because of their weight but by tying two strings together. This gives the wave vibrations a shorter distance to amplify, a little like the Atlantic coast getting bigger waves than the North Sea coast. Of course in the old days with smaller racket heads this was not necessary.   In effect your wife’s string damper puts a little bit of frame further into the racket head.




  1. sea sickness bands: just an observation, but why define reflexology as crap? The band goes onto the meridian pressure point, one of many on the body that has a known effect.

    Comment by magpieschest — February 23, 2010 @ 8:43 pm

    • Well I’m not aware of any proper double blind trials for reflexology, and also can’t imagine a mechanism for how it could work. But it would be fun to be proved wrong!

      Comment by chriscroft — February 23, 2010 @ 9:49 pm

  2. I guess that’s the unfortunate (fortunate?) aspects for homeopathy/reflexology followers/disbelievers – the costs for trials to prove/disprove whether these things work or not.

    Comment by magpieschest — February 25, 2010 @ 1:07 pm

  3. I’m not aware of how sea sickness bands could work, although am aware that “sleep cones” which also attach to the wrist, seem to work for helping get a good nights sleep.

    Is it just the placebo effect? That certainly has very strong evidence for working – and is pretty strange in itself….

    Comment by veryhappybunny — February 25, 2010 @ 8:42 pm

  4. The dampers for tennis rackets definitely make a difference. They absorb and damp down vibration and stop it being passed to your arm – as well as cutting down on the “pingy” sound that does not go well with a manly hard-hit forehand.

    Comment by Martin Herrington — March 8, 2010 @ 5:50 am

    • But how can they when their mass is so tiny (they are only sponge). Had they been lead I could see it, because surely they need the mass to absorb the energy?

      Comment by chriscroft — March 16, 2010 @ 10:45 pm

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