Newton's Experiment Proving White Contains All Colors

Newton wasn't the first person to make a rainbow with a prism. Other people had already got the same result. But many of them thought the prism somehow 'coloured' the white light, like adding a dye. Newton's idea was quite different. He thought that white light was a mixture of all the colours, and the prism was just separating them from each other. He was right, and he proved it with a pair of neat experiments. First, he took his prism, as before, and stuck a narrow slit in the way of the co...

 What Do We Plant When We Plant the Tree?

What do we plant when we plant the tree? We plant the ship, which will cross the sea. We plant the mast to carry the sails; We plant the planks to withstand the gales— The keel, the keelson, and beam and knee; We plant the ship when we plant the tree. What do we plant when we plant the tree? We plant the houses for you and me. We plant the rafters, the shingles, the floors, We plant the studding, the lath, the doors, The beams and siding, all parts that be; We plant the house when we plant...