The bus rounds a corner and chugs to a stop in a swirl of silicate dust.
Comprised of silicate rock, the asteroid rolls through its eccentric orbit like a tumbling potato.
This substance (an iron-magnesium silicate whose greenish colour is reminiscent of olives) weathers rapidly in the presence of water.
Dr Schiraldi's approach does this by using a silicate clay called sodium montmorillonite as a skeleton that holds the plastic together.
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In particular one part of it - calcium silicate hydrate - refused all attempts to be analysed under an electron microscope or by nano-indentation.
Abell says the best estimates now are that the Russian object was initially a rocky silicate asteroid that almost certainly originated from the main asteroid belt.
The operation came a day after workers plugged a highly radioactive water leak from a concrete pit connected to the number two reactor, using sodium silicate - known as ''water glass''.
Key to the program's long-term success will be the death mandated for the clunker: After its oil is drained and replaced with sodium silicate, the engine is run until it seizes.
About the same size as fine particles of cigarette smoke, the grains are made of silicate minerals and carbon-based materials coated with ice - principally water ice and frozen carbon monoxide.
The general goal of this workshop is a focused review and adoption of a minimum set of QC procedures and QC flags starting with in situ dissolved inorganic nutrients (phosphate, nitrate, nitrite, and silicate) and dissolved oxygen.
On a typical day a ToorCamper can attend a talk on breaking into Android devices or disassembling microprocessors with acid and silicate solution to divine the secret cryptographic keys Microsoft stores there, learn to build a Geiger counter and scuba dive in a kelp forest in search of the North Pacific giant octopus.
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