Many creatures in nature, including butterflies, newts and mole rats, use Earth's inherent magnetic field lines and field intensity variations to determine their geographical position. The spatial ...

Upload astronomical images to Astrometry.net to identify objects. Use SIMBAD to find object properties and links to other databases. Explore Aladin to visualize and investigate surrounding objects.

Tiny deviations: the new metal detector looks for minute disturbances in Earth’s magnetic field. (Courtesy: iStock/muffinmaker) A compact, low-cost and low-power metal detector that can identify the ...

The development of HD video cameras has led to a move toward electronic cinematography. The 24p scanning format contributes to the film look, but one of the classic characteristics when shooting 35mm ...