We all know that light bends when it travels through glass, water, or other transparent material - that's how a microscope, lighthouse and spectacles work! And you might even know that light...
Que es luz? "Que es luz"? Luz es… luz es… Que es luz? Esa es una pregunta , que es luz!? No es un elemento? Mmm luz es brillantes, supongo Tenemos auras auras -Todos tenemos auras...
Say, do you like mystery stories? Well we have one for you.. The concept: relativity. That strange fantastic relationship between time, distance, and mass. Before we're finished, I think...