They also produce crystals that damage organs and other tissue, attack the nervous system and cause kidney failure.

Mr. Fink was by no means the only researcher trying to produce photonic crystals.

Some types of honey may produce very large but few crystals, while others will produce many small crystals.

During spore formation the bacteria produce crystals of this protein.

A disadvantage is that most flux method syntheses produce relatively small crystals.

The mission is being underwritten by a plan to produce crystals in space for industrial use.

Therefore, electronic industry has invested heavily in facilities to produce large single crystals of silicon.

Heating the water before adding the sugar allows more sugar to dissolve thus producing larger crystals.

The thermal mass of the block allowed sufficiently slow cooling over night to produce crystals a few milimetres long.

To produce larger crystals, the product should be frozen slowly or can be cycled up and down in temperature.