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The latest study takes a more innovated approach using accelerator mass spectrometry (AMS), earn more about what the ancient people used to create the works of art (in the Maclear District, South Africa)This process helped researchers determine if the paintings consisting of carbon and if they originated from short-lived organic materials rather than charcoal – as the charcoal used could be much older than the paintings.
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Clarification of how the proposed ichnofabric and discrete traces interrelate, perhaps via study of petrographic thin sections, would be invaluable.
The presence of irregularly distributed bridges between the inferred meniscae (Rogov et al., 2012, their figures 2B and DR2) is inconsistent with a meniscate mode of formation; such bridges are not seen in authenticated Phanerozoic meniscate burrows.
Researchers used a method called accelerator mass spectrometry (AMS) to carry out the first direct dating of ancient rock art in Southern Africa.
The team gathered small paint samples that were analyzed using light microscopy, scanning electron microscopy-energy dispersive X-ray spectroscopy (SEM-EDS) and Raman and Fourier transform infrared (FTIR) spectroscopies to determine morphology and elemental and molecular composition’.
Delta Airlines' new i Pad app has a cool feature that will help pass the time on long flights: A "glass bottom jet" setting that lets you see exactly where you're flying and how fast.
The feature offers a view of the plane flying over the map, replete with the shadow that the aircraft is projecting.