Please provide your email address to receive an email when new articles are posted on . Pinhole pupilloplasty, or PPP, has been described as a surgical technique to enhance the visual and image ...

Researchers use laser light to form a tiny “optical pinhole” inside a nonlinear crystal, which also turns the infrared image into a visible image that a traditional silicon-based camera sensor can ...

Looking for a project to kill the winter months while you wait for a vaccination? Why not try making a pinhole attachment for your analogue or digital SLR? The pinhole camera is the simplest ...