A team of researchers from Universidad Carlos III de Madrid (UC3M), the Massachusetts Institute of Technology (MIT) and Adobe Research have presented Imprinto, a system for embedding invisible digital ...

One question fans often ask: Why do celebrities refuse to sign autographs with blue ink pens? The answer reveals a fascinating intersection of security, value, and authenticity in the … ...

This sleek, metal rollerball pen discreetly records 2K HD video and clear audio with a single click, and is great for discreetly recording small, everyday moments.

A man spent a decade secretly filming women, including his sisters, cousin and students, using spy camera pens. As surveillance tech becomes more accessible and harder to spot, where do we draw ...

I Spy This Subtle Hidden-Camera Pen That's on Sale Right Now This sleek, metal rollerball pen discreetly records 2K HD video and clear audio with a single click, and is great for discreetly ...

A growing collection of photography articles to help you become a better photographer, includes interviews with photographers, photography events, software guides, hot products, consumer advice ...

From lens focal lengths and fill-flash to portraits, macro or stunning landscapes there are techniques for everyone. Learn how to use metering, considering composition and shoot everything from ...