Scientists have developed a lens-free mid-infrared camera using a modern twist on pinhole imaging. The system uses nonlinear crystals to convert infrared light into visible, allowing standard sensors ...

A lens-free system produces sharp mid-infrared images even in low light and over long distances, creating new opportunities ...

GRAND RAPIDS, Mich — If you haven't heard, we will be experiencing a solar eclipse on Monday, April 8. If you plan on experiencing this cosmic event, you are going to want to do that safely and use a ...

A pinhole camera is a simple, safe and free solution that will allow you to watch a solar eclipse — and all you need are a few basic household supplies If you wish to see the total solar eclipse in ...

A pinhole camera is a simple, safe and free solution that will allow you to watch a solar eclipse — and all you need are a few basic household supplies A pinhole camera is a simple, safe and free ...