TechnologyAn unhackable quantum internet is being built in New York City Entangled photons of light have been sent through a loop of conventional optical fibre under the noisy New York streets – a starting point to building an unhackable quantum internet News
TechnologyWindows filled with see-through wood layer help hold in heat A transparent material made from cellulose nanofibres and pockets of gas could replace air in double-glazed windows to improve thermal insulation News