We love a nice optical illusion (if you hadn't noticed), and happily the internet is full of people creating little gems to trick our eyes. Anyone wanting to create their own won't want to miss this ...

Newly developed hardware for making high-transmission optical fiber in zero gravity has arrived at the International Space Station (ISS). Launched last week on board a Cygnus cargo ship carrying more ...

Not so long ago, I visited a colleague in Barcelona who was very excited about his latest bit of research. Now, the paper is out. I've read it, misunderstood it, read it again, and now, gentle readers ...

The NeoLucida, a simple optical drawing tool, is set to disrupt the way artists work. It’s a widely held belief that the Old Masters were exactly that: masters, such as da Vinci and Vermeer, who ...

Artist David Hockney once stirred up controversy by asserting that many of the great Dutch masters—folks like Vermeer and Ingres—had relied on optical drawing aids to create their masterpieces. Now ...

Telling the difference puzzles improves your ability to recall information and think quickly. Because it might be challenging to identify differences between two nearly identical photos, they test ...

The classic mind-bending puzzle dates back to the 1800s FAN of optical illusions? This one has had people scratching their heads since the 1800s – but can you solve it? The vintage illustration shows ...