Back and forth: gold plate moved by light from a tapered fibre. (Courtesy: J Lu et al./ Phys. Rev. Lett.) When a beam of light strikes an object, momentum is transferred to the object, pushing it away ...

Archaeologists and physicists are at loggerheads over ancient Roman lead—a substance highly prized by both camps for sharply diverging reasons. Very old lead is pure, dense and much less radioactive ...

Ever on the look-out for ultra-low radioactive materials to shield their sensitive experiments, nuclear physicists have struck gold with a consignment of lead that lay on the floor of the ...

MOSCOW, June 21, 2019 /PRNewswire/ -- Scientists from the National University of Science and Technology MISIS measured the number of trace impurities in the ingots of ancient lead from the sunken ship ...

This article was originally published on The Conversation. Read the original article. Particle physicists have uncovered a large, hidden void in Khufu's Pyramid, the largest pyramid in Giza, ...