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Squid ink and blood are a couple that come to mind.

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14y ago

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Related Questions

How does how does light travel through opaque material?

it cant travel through light.


What is a material that light can't travel through?

There is no known material that light cannot travel through. However, materials such as lead and thick concrete can significantly attenuate or absorb light, making them almost opaque to visible light.


Can light and sound travel through space?

light can but sound cant as there is no air


What can light travel through that sound cant travel through?

Light can travel through a vacuum, such as outer space, where sound cannot travel as it requires a medium like air, water, or a solid to propagate. Light can also travel through transparent materials like glass or air, while sound is mostly blocked or absorbed by these materials.


What does sound need to travel through?

Sound (and vibration) are a wave system of sequential compressions and rarefactions of a material. These waves are mechanical and do need a substance through which to travel. They cannot travel through a vacuum.


What cant secondary waves travel through?

Ocean


How do you make liquid light?

you cant. you can create a liquid that produces light, but because "light" is the photons from an object entering your eye, to create this liquid light ie liquid photons, the photons wouldnt leave the liquid and thus enter your eye.


What sound cant travel through?

sound can't travel through a vacuum. or a place without air.


Why do insulators prevent electric shocks?

because electricity cant travel through them


Why can't sound travel on an asteroid?

sound cant travel on an asteroid because it has no atmosphere. it could travel through it.


Why cant sound trave through empty space?

Sound requires a medium, such as air or water, to travel through. In the absence of a medium, such as in empty space, there are no particles for sound waves to propagate through, so sound cannot travel.


What is made when light cant get through?

solid matter