Zenni Optical is offering a sale on a wide selection of eyewear ahead of the holidays. An exclusive code, USATODAY, provides an additional 10% discount on purchases. Shoppers can typically use FSA or ...

What is an Optical Illusion? An optical illusion is a visual phenomenon where the brain misinterprets what the eyes see. Instead of perceiving an image exactly as it is, the brain fills in gaps, ...

In the fast-paced world of digital distractions, a new kind of viral phenomenon has taken over our social feeds: the high-stakes visual perception challenge. As a long-time observer of how our brains ...

Light can be sculpted into countless shapes. Yet building optical devices that can simultaneously manipulate many different ...

Leaving putts long or short? Your eyes might be the issue. Here's how to uncover your tendencies and boost your distance control.

Did you just get a brand new Smart TV and now you're looking for ways to calibrate the image? Here's how to do so without ...

Can you feel your PC or Mac running hot? We've found the best ways to check processor temps on your Windows PCs and Macs. Palash has been writing about technology (and entertainment) for over a decade ...

The Reliability Monitor shows system errors, warnings, and informational and critical events that can help you troubleshoot your Windows PC.

Most CES tech is still on the horizon, but these products are already real, priced and (mostly) ready to ship.

Scientists at the University of Oxford demonstrate an approach to interpreting how materials interact with polarized light, which could help advance biomedical imaging and material design. Their work, ...

As of December 2025, there is no approved fourth federal stimulus check. Former President Donald Trump has proposed a new round of payments, but this has not been approved by Congress. Arizona has ...

All our brain-teasers in one place. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. So, you're some kind of PC gaming expert, are you? Then ...