Two-photon (2P) fluorescence imaging through gradient index (GRIN) lens-based endoscopes is fundamental to investigate the functional properties of neural populations in deep brain circuits. However, ...

We bring you the 35 best new and unique astronomy products for newbie and veteran hobbyists alike this gift-giving season.

The image you are drawn to in an optical illusion can tell you and others about your personality and how you think and behave ...

Panda enthusiasts are invited to spot the odd panda in a challenging optical illusion puzzle. Pandas, recognizably ...

The creatures you spot first in the landscape are said to show typical traits associated with the person who identified them ...

Simple ray tracing library in Python for optical design that considers simple optical elements (with ABCD ray matrices) but also finite diameters of elements to ...

A new optical illusion claims to reveal your biggest ... A third user said: "I saw the fish and eye at the same time." Join the Irish Mirror’s breaking news service on WhatsApp.

Researchers at Tampere University have observed slight deformations in light beams reflected from perfectly flat mirrors, a phenomenon predicted over a decade ago. These findings, including the ...

functionally flexible optical elements that are extensible in ways you'd expect and require for a universal computer. "We ran numerical simulations which yielded very positive results, using small ...