Slow-Motion Popcorn The Science: Popcorn is able to pop because its kernels have a hard moisture-sealed hull and a dense starchy interior. Pressure builds inside the kernel, and a small explosion (or "pop") is the end result.
How to Make Magnetic Slime by Frugal Fun for Boys!! Fantastic recipe based (a.k.a following directions and motor skills) activity that even the boys will love to do! This is pretty cool if I do say so myself!! To learn how go to: - Like our instagram posts? Please follow us there at instagram.com/pediastaff
This picture is of a 2.5kg brick supported by a piece of aerogel, the worlds lightest solid material. This particular piece weighs in with a mass of 2 grams. Aerogel is nicknamed 'frozen smoke' or 'solid air', due to the fact that it is composed of 99.98% air by volume. Aerogels are a diverse class of amazing materials with properties unlike anything else known. They exhibit the lowest thermal conductivity of any known solid, and are the lowest density structural materials ever developed.
Este Gif pertence um vídeo feito por uma mulher australiana, mostra o poder destrutivo do Monte Tarvurvur, feita de um barco de aproximadamente 2 quilômetros da explosão. O vídeo mostra claramente a onda de choque de ondulação através da atmosfera