The parachute was made of an experimental material, almost completely transparent.

She said the project would probably choose proven rather than experimental materials.

At the time of the church's construction, concrete was still an experimental material.

It was here that one of the advantages of glass as an experimental material lay.

Not that it was expensive; most of his experimental materials came from the grocery store or the trash bin.

The album cost Reed credibility in the music industry while simultaneously opening the door for his later, more experimental material.

He made enough money to support himself and to buy chemicals and other experimental materials.

The new, rather experimental material was promising, but never made it on a fourth studio album.

Many writers now found New Worlds to be a market in which they could publish experimental material.

With the switch to anthology format, some of the more experimental material disappeared.