Scientists and industry are dashing to make more ventilators

ONE OF THE most worrying symptoms of covid-19 is the way the coronavirus attacks the lungs of those infected. This means some patients need a ventilator to help them breathe until their lungs recover. But there is a dire shortage of these machines in hospitals, so intensive-care units will be overwhelmed. Urged on by worried […]

Digital twins of hearts could help diagnose and help treat cardiac disease

IF YOU TRAVEL on a modern airliner, the chances are that each of the jet engines powering it will have a virtual copy residing in a computer on the ground. This copy, known as a digital twin, will be updated constantly with information from sensors that measure the engine’s performance and check for signs of […]

Giant 3D printers for making boats, bridges, buildings and rockets

BOAT BUILDING is a long-winded and tedious business, even when what is going down the slipway is a small craft made from modern materials such as fibreglass, rather than something nailed together out of planks of wood. Construct a mould. Build up layers of resin and glass fibre inside that mould. Extract the completed structure […]

On a roll: printed electronics

MAKING things with 3D printers is an idea that is being adopted by manufacturers to produce goods ranging from false teeth to jet engines. Conventional printing, though, has not remained idle. Machines that have their origins in the high-speed rotary presses that apply words and images to large reels of paper, like the ones which […]