The day the sands caught fire

Article Abstract:

The Empty Quarter of Saudi Arabia has become one of the most interesting subjects of meteorite research, being the best-preserved site in the world. The place features an 36-ft-diameter-crater, which was hit by a meteorite with an impact of 12 kilotons.

Saudi Arabia, Discovery and exploration, Craters, Meteorites

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Form from fire

Article Abstract:

Issues are presented concerning the use of combustion synthesis to manufacture over 500 compounds which can be used for ball bearings, abrasives, high temperature superconductors, nuclear safety shields and ceramic engine parts.

Evaluation, Combustion research

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The artistry of microorganisms: colonies of bacteria or amoebas form complex pattern that blur the boundary between life and nonlife

Article Abstract:

The intricate forms taken by growing colonies of microorganisms follow chemical, physical and biological rules. The forms are assumed based on the growth and medium characteristics that surround the microorganisms.

Bacterial growth, Microorganisms, Growth, Growth (Physiology)

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