(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 ...

Nanooptical traps are a promising building block for quantum technologies. Austrian and German scientists have now removed an important obstacle to their practical use. They were able to show that a ...

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 ...

Optical Building Blocks Corporation (OBB) is built on 34 years of pioneering industry experience in electro-optical instrumentation. OBB designs, manufactures and markets proprietary optical ...

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.