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 ...

This DIY projector might be the easiest you ever build. By Sandra Gutierrez G. Updated Apr 5, 2024 3:46 PM EDT We may earn revenue from the products available on this page and participate in affiliate ...

Researchers have used the centuries-old idea of pinhole imaging to create a high-performance mid-infrared imaging system without lenses. The new camera can capture extremely clear pictures over a ...

If you're having trouble finding NASA-approved eclipse glasses online or around town, you're not alone. » RELATED: The ultimate guide to the once-in-a-lifetime total solar eclipse this August ...

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 ...