Inscribing a spiral in the centre of a contact lens seems to create optical vortices that interact so that the lens provides a clear image of objects at all distancesRead More

Inscribing a spiral in the centre of a contact lens seems to create optical vortices that interact so that the lens provides a clear image of objects at all distancesRead More
UT Dallas researchers created a durable, self-repairing, and more recyclable 3D-printed foam using dynamic chemistry, …