dental amalgam

Dental mercury harmful- Tanzania Government

By Queenter Mawinda | GUARDIAN The Ministry of Health and Social Welfare has cautioned dentists on the use of dental amalgam saying the mercury in the chemical composition endangers human health.  Chief Dentist Dr Ahadiel Senkoro…

rice new

Students design furniture for other planets

  Modular furniture is conceived for the moon, Mars and in between [caption id="attachment_4150" align="alignright" width="200"] A team of Rice University engineering students has designed a flexible chair for space habitats. Along with a custom,…

MIT Honey Flow 01

Boiling down viscous flow

A new simplified model predicts patterns that form from honey-like fluids. CAMBRIDGE, Mass-- Drizzling honey on toast can produce mesmerizing, meandering patterns, as the syrupy fluid ripples and coils in a sticky, golden thread. Dribbling…