Gravity and the Universal Law of Gravitation - Physics

Gravity Falls Complete Series Collectors Edition DVD Box Set Review

Prop Department - Tyler Fever on Instagram: "This magnet will last 1,000 years 😲🧲 read below .. .. Permanent magnets decay at a very slow rate if kept cool and dry, like cheese. It will loose about 2% power every century. It is certainly something to keep around for experiments!"