Sentences with phrase «hollow glass spheres»
The water was seeded with silver - coated hollow glass spheres (14 µm diameter, Potters Industries Inc., Carlstadt, NJ, USA) to track the flow.
http://journals.plos.org/
They used hollow glass spheres, which naturally float at the water surface, so a camera could capture the process.
Not exact matches
The sculpture consists of 14 glass spheres that focus the Sun's rays into hollow bronze shells, each of which is lined with gold covered by a photosensitive layer of blue cyanine dye.