Grinding down recycled glass into “cullets,” or very fine shards, can produce a material that’s perfect for use in bricks due to its smooth surface. 11. SLEEPING BAGS ...

On the list of things that should be made of glass, windows and drinking vessels are right at the top. All the way at the bottom, past houses and eyes, are skateboards.

When trialled on hundreds of samples of 12 substances including wood, glass, plastic and silicon, and combined with a machine learning-based data analysis, the finger achieved an average accuracy ...