Columbia Engineering researchers have created the first flat lens to focus a large range of colours of any polarisation to the same focal point without the need for additional lenses.
Over £80m of government funding has been announced for four new Green Heat Network projects, including a Bolton scheme that will harness heat from sewers and wastewater.
Wilson’s worldDavid Wilson is editor of Engineeringtalk and Electronicstalk and associate editor of The Engineer
A low-cost device that harnesses energy from low velocity wind and can store it as electricity has been developed at Nanyang Technological University, Singapore.
