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Friday 15th December 2006 Issue: 59

Ho! Ho! Ho! Welcome to the last Haywire of 2006! Time for a bit of fun before all the celebrations begin. Try growing your own snowman, a lot warmer than actually making one. And have a game of Snowbazooka whilst you’re waiting! Don’t forget to try out one or two of these truly dreadful jokes on your relatives. Have a fantastic holiday and see you in 2007!

  1. Planet Picks – December Quiz: the Panto Probe
  2. The Buzz – Going bats
  3. Up for Grabs – Operation game
  4. Web Watch – everything you ever wanted to know about penguins
  5. Crash Bang! – Grow your own Frosty the Snowman
  6. Winners –  Headlouse and IMAX tickets
  7. Tummy Ticklers – winter wheezes and gags to make you giggle

Have you ever wondered why you never see Santa out delivering his presents on Christmas Eve? Maybe that’s because his sleigh uses stealth technology.  Stealth is where aircraft, missiles etc. appear ‘invisible’ to radar. Radar works by sending out a signal that is reflected back from an object.  By measuring the signal that comes back we can work out how far away something is. Most aircraft are rounded in shape, which reflects the radar very well. In aircraft using stealth the design has lots of flat surfaces that reflects the radar in all different directions.  Because of this, very little signal gets back to the detector. Find out more about stealth technology.

What about Rudolph? Recently scientists discovered that there is in fact such a thing as a red-nosed reindeer. Scientists in America found that reindeer were susceptible to a particular type of mite which irritates the nasal passages and causes the animals to rub their noses raw. The poor things! Hasn’t anyone got any ointment?

1. Planet Picks – News from the world of Planet Science…

It’s the December Quiz. Oh no it isn’t! Oh yes it is! Oh no it isn’t! etc etc Yes it’s panto time! Get festive with ten questions about some of our favourite pantos. With a science twist naturally. Where’s my gluteus maximus? It’s BEHIND you! Get them all right and you’ll go into the draw for 1 of 3 £50 theatre tokens, which should help a lot if you go see your own local panto.

Enter here

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2. The Buzz – Science news delivered to your inbox…

We’re going batty here at Planet Science.  Apparently an unusual type of bat has a tongue that's one and a half times as long as it is! The anoura fistulata bat uses its extraordinarily long tongue to sip nectar from strangely-shaped flowers in forests in Ecuador, where it lives. Scientists have worked out that if the bat's tongue belonged to a cat, it could lap milk 60cm away from its bowl!

It's a one-off as no other mammal has a tongue that long compared to its body. When the bats are not using their tongues, they pull them back down into their body.

Scientists trained the bats - which were discovered for the first time in 2006 - to drink sweet water from a special see-through straw so that they could measure the length of the tongue.

Also, bat fans - experts are happy, as they've solved a mystery about how the flying mammals find their way around. Scientists knew the creatures bounced sound waves off objects to guess distances. But they couldn't figure out how bats travelled about in large areas. They thought the creatures might have an in-built compass, telling them which way to go.

A group of bats were fitted with tracking gadgets. They were set free in an area where the magnetic field - which makes a compass work - had been messed up. The bats went the wrong way - so scientists knew that what they guessed had been right.

This story was taken from Newsround.

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3. Up for Grabs – You’ve got to be in it to win it...

Do you think you will have got fed up with presents by the time January comes around? Hmmmmmmm.  No we didn’t think so. Well this is the season of giving.  So we are giving you …. a game of Operation! Would you like it?  Have you got a steady hand?  If so, send us your name, age and address to: Hay-wire.Clubhouse@nesta.org.uk with ‘WAITING FOR AN OP’ as the subject. The winner will be picked at random at 5pm, on Thursday 4th January 2007.

Good luck!

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4. Web Watch – for great science websites you’ve come to the right place…

How much do you like penguins?  Enough to see ‘Happy Feet’? More than once? Oh yes, you really like penguins then. So here’s a great site called KidZone Penguins. It will give you all the activities and games you could wish for.

It’s all about penguins at the moment isn’t it?  Try playing this ‘Dress up penguin’ game.

Play Snowbazooka.

But if you really are serious about penguins then find out more about these fascinating birds on the British Antarctic Survey website.

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5. Crash Bang! – Exciting experiments for you to try at home…

Yes we know we did this one last year – but wasn’t it FUN! So what do you do if it’s not a white Christmas?  Grow your own snowman of course!

You will need

  • An adult to help with this
  • Cardboard tube from kitchen roll or toilet roll
  • Felt tip pen
  • Scissors
  • Salt
  • Teaspoon
  • Cup
  • Shallow dish or saucer

What to do

  1. Draw a snowman outline on one side of the cardboard tube.  (If using a kitchen roll tube cut it in half first so that it’s shorter – after all, who makes a tall thin snowman?)
  2. Cut around the outline of the top of the snowman making sure that you leave a thin circle of cardboard at the base of the tube. i.e. leave the base intact so that the snowman is supported but from the front you should see a snowman shape. (Be careful when using scissors)
  3. Pour 100ml of warm water into a cup.  (A tablespoon is about 15ml)
  4. Add a teaspoonful of salt and stir till dissolved.
  5. Continue adding salt in this way until no more will dissolve and you have some salt left at the bottom of the cup. This is known as a saturated solution.
  6. Pour the solution into a shallow dish or saucer and stand the snowman in it.
  7. The solution should slowly start to rise up the cardboard. Now leave the whole set-up in a safe place for a few days.

What’s going on?

The salt is dissolved in the water to form a saturated solution.  As this solution starts to travel up the cardboard snowman the water evaporates leaving behind salt crystals. In time your snowman will look as if he is glistening! Behold Frosty the Snowman! As more salt solution travels through the cardboard it allows the small salt crystals to grow even bigger.  You may have seen this effect in grow-crystal-tree kits. You could try this experiment with sugar instead of salt.

Now you are such an expert on crystal growing, try making a snowflake.  Twist three pipe cleaners together to make a six-armed star.  You need to tie cotton around one of the arms then suspend it in a jar full of a saturated solution of salt or sugar.  Make sure that your star is fully immersed in the solution but not touching the bottom of the jar. Try adding food colouring to the solution if you’d like a coloured star.  How pretty!

6. Winners – Has your name been picked out of the bag?

Remember Issue 57 when we were giving away a cuddly head louse from Giant Microbes?  Stop scratching, everyone! The lucky winner is Helen Clark (10) of Huddersfield. Well done Helen!

And in Issue 58 we were giving away two tickets to see the Polar Express 3D at the IMAX in London.  The winner is Rowan Smith (9) from Banbury, well done Rowan!

So remember – keep entering ‘cos next time it could be you!

7. Tummy Ticklers - It’s the way we tell them...

Here’s some jokes to make you groan.  You might find better ones in your Christmas cracker – but we doubt it!

What beats his chest and swings from Christmas cake to Christmas cake?
Tarzipan!

What’s the best thing to put into a Christmas cake?
Your teeth!

What's beautiful, grey and wears glass slippers?
Cinderellephant!

How does Good King Wenceslas like his pizzas?
Deep pan, crisp and even!

What did they sing at the snowman's Christmas party?
Freeze a jolly fellow.

What does Rudolph want for Christmas?
A Pony Sleigh-station

Have you got any better ones? Or did you get any good ones in your crackers? Send them in to us at Hay-wire.Clubhouse@nesta.org.uk and put ‘JOKES’ in the subject line.

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Information Overload

Planet Science has gone Hay-Wire and now you have too!

That’s all for this issue. The next issue of Hay-Wire will be with you in two weeks time so until then, why not ask your friends to join the Hay-Wire Club?

They can visit the Clubhouse for more details at:
http://www.planet-science.com/wired/hay-wire/clubhouse
(password is sciwoof)

Bye for now!