The Floating Needle What will happen if you put a needle in a cup of water? It would sink. But you can do it if you use density. Things you’ll need: a needle, a sharp pencil, A strip of paper that is a little bigger than the needle, a cup, and water. Fill water into the cup Put the piece […]
Amazing Paper Planes Tried of the same old paper airplane designs? Try these two unusual ones. 1. Straw Plane Things you’ll need: one strip of paper 1.5 cm x 9 cm long, one strip of paper 2 cm x 12 cm, plastic straw (21cm), and tape 1. Make a loop out of each strip of paper, overlapping the ends and […]
The Moebius Strip You’ve probably heard the expression, “There are two sides to everything”. But are there? You can find out by making this strip. Things you’ll need: several strips of paper 25cm long and 2cm wide, scissors, a pen, and tape. 1. To make the Moebius strip, you need to half-twist the strip of paper and tape the ends […]
In 1854 Hippolyte Marié-Davy invented the first naval periscope, consisting of a vertical tube with two small mirrors fixed at each end at 45°. Simon Lake used periscopes in his submarines in 1902. A periscope works by using two mirrors to bounce light from one place to another. A typical periscope uses two mirrors at 45-degree angles to the direction one […]
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Welcome to my Art and Lifestyle Blog. Follow my adventures as a Bohemian artist.
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