TY - JOUR AU - Graham, G R AB - A wallpaper scraper is made the subject of a number of simple experiments. Interference fringes are used to measure the thickness and refractive index of a surface coating and vibrations of the blade are studied using both traditional and modern methods. TI - DIY physics - the paper scraper paper JF - Physics Education DO - 10.1088/0031-9120/24/1/309 DA - 1989-01-01 UR - https://www.deepdyve.com/lp/iop-publishing/diy-physics-the-paper-scraper-paper-eh8FAMhdL0 SP - 26 VL - 24 IS - 1 DP - DeepDyve ER -