Two studies fill in gaps about the cosmos’s ordinary matter. One maps it all, even the “missing matter.” The other details one of its hiding spots.

PDF for physics from the official Punjab Board website. Access chapter-wise details for physics with the link to download the ...

Sub-wavelength imaging, which can transform evanescent wave into travelling wave and utilize wave component with small wave-vector, is receiving much study interest. Both negative refraction and beam ...

Refraction causes random dynamic distortions in atmospheric turbulence and in views across a water interface. The latter scenario is experienced by submerged animals seeking to detect prey or avoid ...

H-word, M-word & fading K-word: Stop seeing India through old prisms If the only superpower, which calls India an ally, sees the region through an India-Pakistan prism, it is unacceptable. Rather than ...

If it hits a sand bar, they might not be able to do as good a job of cutting through the swell as rock, and the wave breaks all at once—meaning you're looking at a giant closeout. Where refraction is ...

PROVIDENCE, R.I., June 10, 2025 /PRNewswire/ -- Meller Optics, Inc. has introduced custom fabricated sapphire prisms that bend, split, or reflect light but are resistant to scratching, and ...