Jon Borwein receives research funding from ARC. David H. Bailey does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and ...

Recent puzzling observations of tiny variations in nuclear decay rates have led some to question the science behind carbon-14 dating and similar techniques. However scientists tested the hypothesis ...

Geologists have calculated the age of Earth at 4.6 billion years. But for humans whose life span rarely reaches more than 100 years, how can we be so sure of that ancient date? It turns out the ...

we know we can touch rocks that are 1.7 billion years old.

Beneath the verdant pools of Gan Ha-Shelosha lies a network of medieval tunnels that once powered the thriving sugar industry of the Mamluk Empire. Hewn into soft tufa rock along Nahal 'Amal, the ...

Abstract: The radiometric calibration network (RadCalNet) datasets have been widely applied to calibrate the satellite sensor with a narrow field of view and monitor the radiometric performance during ...

Radiometric normalisation is a critical preprocessing step in the analysis of satellite imagery, aimed at mitigating the effects of atmospheric variability, sensor calibration differences, ...

Abstract: With the increasing number of spaceborne synthetic aperture radar (SAR) systems, traditional absolute radiometric calibration methods based on calibration fields are becoming increasingly ...