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Mathematical mystery of ancient Babylonian clay tablet solved

The discovery of Plimpton 322 reveals the ancient Babylonians' use of a novel kind of trigonometry based on ratios, not angles and circles, to calculate shapes of right-angle triangles. The tablet predates Hipparchus' trigonometric table by over 1000 years, offering new possibilities for modern mathematics research and education.

October LITHOSPHERE delivered online

Recent studies in Lithosphere magazine reveal that vertical-axis rotations can significantly impact shortening estimates with potential errors of up to 14%. Additionally, researchers investigate non-Pratt component of oceanic isostasy, finding a dynamic response within the Earth's mantle necessary for equilibrium. Meanwhile, pulsed def...

SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.