PhysicsDoughnut-shaped swirls of laser light can be used to transmit images Ultra-fast pulses of laser light can be shaped into vortices similar to smoke rings – when chained together, they can carry enough information to transmit a simple image News
CommentRead an extract from Nuclear War: A scenario by Annie Jacobsen In this terrifying extract from Annie Jacobsen’s Nuclear War: A Scenario, the author lays out what would happen in the first seconds after a nuclear missile hits the Pentagon Culture