Archive | Experiments

Some Kit-Kat bars will contain a GPS device to track eaters in the UK

kit-katThe UK residents who love eating Kit-Kat bars now have the opportunity to unwrap a GPS device that Nestle intends to use to find out who they are and offer them a prize. This brings back the memories of the 1971 film Willy Wonka and the Chocolate Factory, which tells Charlie Bucket’s story who is one of the winners of a golden ticket that allows him and other four kids from other countries of the world to visit Willy Wonka’s tightly guarded chocolate factory.

According to Nestle, it is the first company to market its chocolate candies using a GPS based promotion, which is dubbed “We Will Find You”. The company will place a bar that is GPS enabled inside four Kit-Kat candy versions. The York press newspaper reports that the Kit-Kat candy containing the GPS device will appear just like regular Kit-Kat bars. When the person who has bought the bar opens the wrapper by pulling a tab, he or she will activate the device and this will notify the candy maker. Continue Reading

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Try this: Reversing perspective

You will need

  • printed copy of this file on separate pages
  • Coloured pencils
  • Scissors
  • Glue

What to do

  1. Colour in the house picture.
  2. Cut out the picture along the thick black lines.
  3. Fold along the dotted lines so the picture sticks up in the middle like a flat-topped pyramid.
  4. Put glue on the tabs marked ‘a’, and stick them down to keep the pyramid shape.
  5. Put glue on the ‘b’ tabs, and stick the pyramid onto the rectangle on the other sheet of paper. Continue Reading

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How do you take a 3D picture?

3D photo

Chuong's system captures the 3d shape of insects.

3D is in! 3D movies and computer games are increasingly popular, but the technology can be used for more than just cool special effects – scientists can get a lot of information from a simulated 3D object. But it can be hard making these 3D objects. To help, Dr Chuong Nguyen from CSIRO is developing a simple system of capturing the shapes and colours of insects.

The first step is to take a lot of 2D photos of the insect. They are taken from lots of different angles, to capture as much detail as possible. A calibrating pattern is placed underneath the insect and is used to work out precisely where the camera was when each photo was taken. Continue Reading

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Make a perpetual calendar

calendarYou will need

* Scissors
* Split pin or drawing pin and eraser
* Printout of the two discs, on separate pieces of paper. You can download them here: download

To make the calendar

1. Cut out the smaller disc.
2. Cut out the thick dark window on the smaller disc.
3. Put the smaller disc on top of the larger one, and push a split pin through the middle of both discs. If you don’t have a split pin, put an eraser underneath both discs and push a drawing pin through the centre of both discs and into the eraser. Continue Reading

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