(Phys.org)—Physicists have built a nanowire cage that blocks one or more wavelengths of light from either entering or escaping, yet allows liquids and gases to pass through the small gaps between the ...

Optical Illusion: Is it a block of swiss cheese or something else? This optical illusion has the netizens perplexed. Attempt this mind-boggling optical illusion now. Optical Illusion: The tribe of ...

HOW many blocks can you see in this mind-bending image? The tricky optical illusion has sparked a huge debate on Twitter, with some users claiming they have counted more blocks than others. It was ...

What is shown in this optical illusion? This post was shared on the Twitter page Crazy Optical Illusion. This Twitter page often shares varied kinds of optical illusions that leave people baffled. In ...

Brain teasers have long been a favourite pastime for social media users, offering a quick yet satisfying mental challenge. Whether it's cracking an age-related riddle, solving a clever maths problem ...

Given the headlines associated with invisibility cloaks, you could be forgiven for thinking that a Star Trek-style cloaking device will be available in stores before the holiday season. Sadly, no.