Optical techniques are methods that use light to probe or control matter. One prominent example is optical spectroscopy, which includes such methods as pump–probe spectroscopy, Raman ...

Likewise, the larger phone packs an extra 50MP telephoto lens that offers optical zoom up to 5x ... up its sleeve in the form of Samsung’s S Pen, which you won’t find on any other phone.

Here’s how it works. The Surface Pen and Surface Slim Pen 2 are the best options for modern Surface PCs; I've been using the former for years without issue, and the latter adds wireless charging ...

“This document is little more than an optical illusion,” India’s delegate Chandni Raina said. Sierra Leone’s Environment Minister Jiwoh Abdulai said the deal showed a “lack of goodwill ...

Think you’ve got the sharp ... or pen on the screen. Have you solved it? If you haven’t, don’t worry! This puzzle is tricky and designed to stump even the brightest. Check the solution below to see if ...

记者11月21日从中国煤炭科工集团（以下简称中国煤科）获悉，该集团所属煤炭科学技术研究院有限公司（以下简称煤科院）聚萘二甲酸二甲酯（PEN）单体年百吨级中试项目，日前正式步入落地实施阶段。这是国内首个煤基PEN材料单体百吨级中试装置。该中试实验 ...

Those who do can brag about their razor-sharp vision and high IQ. Cracking this optical illusion will take ... It might be easier if you have a pen and paper to hand so you don't confuse yourself.

POET Technologies is climbing the value ladder, transitioning from supplying optical engines to offering full optical transceiver modules. Its optical interposer combines photonic and electronic ...

And if you’re keen to put your visual perceptual skills even more to the test, a range of other optical illusions are available here.

An optical illusion is set to challenge your brain as it invites you to find another animal hidden within the image of a horse. Puzzles and brainteasers are an excellent way to stimulate your mind ...