When atomic bombs struck Hiroshima and Nagasaki in 1945, the blinding light and heat from the explosions left only shadows of ...

This means light doesn't travel through them. Light bounces back off the object. On the other side of the object a shadow is formed. Larger objects produce larger shadows. This is because they ...

Light rays travel in straight lines. Light cannot bend around opaque objects in their way. Shadows are created when an object blocks light from the Sun or another light source. When the light can ...