Transparent. It lets light go through and so you can see through it to.
Also, the word Diaphanous can be used.
Definition: to allow light to pass through; delicate
Opacity, the degree to which the light is blocked.
transluscence or transparency
I think the word you're looking for is "refraction."
The word wasn't "discovered", it was coined from Greek: photo for light and synthesis to make. So, making something from light.
No. Simply using the word black to describe something that is without light, is not racist.
The study of light and the interaction of light and matter is termed optics. The observation and study of optical phenomena such as rainbows and the aurora borealis offer many clues as to the nature of light as well as much enjoyment.
The noun form of the word "transparent" is "transparentness." Transparentness can be defined as the state of transmitting light rays through its substance.
The word for how far something travels is distance.
The word is "light-year".
Opaque
another word for fast is speed
In general, an aperture is a hole through which light travels. In relation to photography, where the word is most commonly seen, this denotes the size of the hole through which light travels to hit the camera's sensor. Longer exposures need smaller apertures to ensure that the picture is not overexposed, and shorter exposures need a larger aperture to get enough light.
Yes. Although 'pull' is probably not a good word. Gravity bends space and time and light simply travels through this bent space causing it to be deflected.
lasers
"Translucent" means letting some of the light through. It does not mean anything about how much would be too much, though.
The esophagus is a muscular tube that connects the throat to the stomach, allowing food and liquids to pass through it.
From 1 medium to the other means that light would travel from one object to another. So, it is basically any object that the light passes through.
The word penetrate means to get through something.
I think the word you're looking for is "refraction."