Fridge maker Beko is urging customers to slip a piece of A4 paper into their fridge this week while the weather is still hot.

A computer simulation has also indicated that punctures in the hull, which are the size of A4 pieces of paper, likely led to the sinking, which led to the loss of 1,500 lives after the ship hit an ...

Step 1: Get an A4 piece of paper, origami paper can help make things easier, but it's not essential. Fold the bottom left corner over to the top right corner, making a pointed triangular shape.

And a computer simulation also suggests that punctures in the hull the size of A4 pieces of paper led to the ship's demise.