Crisscrossed lines called world’s oldest drawing Researchers say 73,000-year-old ‘hashtag’ discovered in South African cave predates other early sketches by at least 30,000 years By Malcolm ...

Quantum theory is one of the great achievements of 20th century science, yet physicists have struggled to find a clear boundary between our everyday world and what Albert Einstein called the ...

It's evidently part of a larger drawing because lines reaching the edge are cut off ... paintings Cave art in Indonesia may be oldest in world Silvia Bello, a researcher at the Natural History ...

The flake was covered with ash and dirt, but a quick wash revealed the red crosshatch lines, Henshilwood noted. The ancient drawing includes six parallel lines that are crossed by three slightly ...

A geodesic is a straight line on a three dimensional globe. A rhumb line is a straight line on the Web Mercator projection used by Google Maps. On looking up the KML reference documentation the ...

FROM a cursory glance, the lines on this small, brown stone could be mistaken for a natural formation. In fact, it is the first known drawing ever made by human hands. “This is the beginnings of ...

A classical beam of light that would be expected to obey Bell's Inequality can fail this test in the lab, if the beam is properly prepared to have a particular feature: entanglement. Quantum ...