A vertical matrix X-ray detector for multi-energy discrimination

There are three types of cone cells in the retina that are called L-cones (sensitive to red light), M-cones (sensitive to green light), and S-cones (sensitive to blue light). The coordinated response of cone cells to visible ...

Moon's orbit proposed as a gravitational wave detector

Researchers from the UAB, IFAE and University College London propose using the variations in distance between the Earth and the moon, which can be measured with a precision of less than a centimeter, as a new gravitational ...

NASA system predicts impact of small asteroid

A small asteroid hit Earth's atmosphere over the Norwegian Sea before disintegrating on March 11, 2022. But this event wasn't a complete surprise: Astronomers knew it was on a collision course, predicting exactly where and ...

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