PhysicsHidden corridor in Egypt’s Great Pyramid mapped with cosmic rays A 9-metre-long corridor in the 4500-year-old Great Pyramid of Giza that was discovered in 2016 has now been mapped, and researchers have used a tiny camera to peer inside 51¶¯Âþ
PhysicsFlames that don't flicker could make engines more efficient Producing flickerless flames usually requires artificially low pressure or gravity. Researchers have now come up with a method that works in standard conditions and could help make engines more efficient 51¶¯Âþ