Other materials, known as 'intelligent packaging', monitor the condition of the food.

They had found a way to produce massive quantities of the strongest material known to man.

Replies: Air is a type of material known as a "gas".

They are likely to be made of carbon fiber, a material known for being strong but lightweight.

But the stuff was far different from asbestos or any similar material known to modern science.

It got its name from the material known as amber.

Steel, then the strongest material known, was too heavy and not strong enough to support that weight.

Nuclear experts call polonium 210 one of the most toxic materials known to science.

They used what was then a new material known as plaston.

No material known to man would support it.