Don’t hold your breath A team of boffins from Europe and South America have emerged from their smoke filled labs claiming a ...

Carbon, graphite and diamond materials include vitreous, amorphous, or glassy carbon; hexagonal and pyrolytic graphite (PG); and naturally-occurring and synthetic diamonds, diamond-like carbon (DLC) ...

This is the product's overall performance score, based on key tests conducted by our industry experts in the CHOICE labs.