Show A HOMEMADE RAINBOW A rainbow is caused by the refraction of sunlight through falling raindrops Any boy may make a beautiful ralpbow on the wall or ceiling of his room by means of a small mirror and a basin of water White light is really a combination combina-tion of many colors and If it is made to shine through a threesides prism twill t-will be broken UD and all of the colors which compose it will be separated one from the other and projected onward in I the form of a beautifully variegated band of Ught is a known spectrum as the The spectrum drops of A falling rainbow I raiti are really little globes of water which take the place of the prism and break up the sunlight into many colors and project it onward and reflect It backward back-ward in the form of the beautiful band of light we know so well Have you ever noticed that when abeam a-beam of sunlight falls on water in a g ifs If ti basin it seems ta be broken or deflected and made to shoot onward through the I water in a new direction slightly out of lino with the beam as it was before it 4 I rf HOW TO MAKE A RAINBOW struck the water This is a common phenomenon Of course every one knows Mi a beam of sunlight can be deflected back against the wall of a room or up a anst me wan of a room or up against t III b 51In nrgf R j the ceiling by means of a small mirror Now by simply combining these two naSI nffouh ful r nffou phenomena you may make your artificial rainbow The water is your refractor and the mirror Is your reflector Pull the window blind down until only a very narrow nar-row streak of sunlight can come through Place your basin of water so that this narrow streak of sunlight can strike the surface of tho water and be refracted downward Then stick your mirror into it so that the refracted beam will be reflected re-flected out of the water again and up against the wall or celling The beautiful beauti-ful spectrum or rainbow which will result re-sult will more tnan repay you for your trouble |