Science Notes

1905 Scientific American  
In a test of density and porosity, it was· found that raw sugar could be sifted readily through wood-pulp cloth weighing 462 grammes to the square meter, while lighter jute cloth allowed only traces of sugar to pass. No very fine yarn has yet been spun of wood pulp.
doi:10.1038/scientificamerican05061905-359b fatcat:ob6ligpyjzbdbmj62qodqs5ptm