He and his colleagues were among the first to discover one - atom - thick sheets of carbon called graphene. (discovermagazine.com)
Cover it with an additional sheet of wax paper and then, using your cold rolling pin, roll the dough out into a 1/4 - inch thick sheet. (fedandfit.com)
In 2002, however, the 600 - foot - thick sheet of ice crumbled, exposing the hidden depths. (discovermagazine.com)