An optical illusion is a visual phenomenon where the brain misinterprets what the eyes perceive. It occurs when the ...

This is a picture of a peacock, which looks pretty regular on first look. However, there is a face of a man hidden inside the ...

The new Assistant Professor aims to develop optical computing technologies operating at the fundamental limits of speed and energy.

Upconversion is a phenomenon in which low-energy photons are combined to produce a higher-energy photon. This process requires the successive absorption of two photons to emit a high-energy photon. As ...

Optical illusions occur because of the way our brain processes visual information. The human vision system is complex but not ...

These beautiful beams are known as ‘light pillars’ – an atmospheric optical phenomenon caused by the refraction of light in tiny ice crystals falling towards the earth. As these shards fall, ...

Multicolored optical switching is an important phenomenon with potential applications ... region of the band structure involved. For example, the transient transmission spectra reveal a split ...

Multicolored optical switching is an important phenomenon with potential applications in fields such as telecommunications and optical computing. However, most materials typically exhibit single-color ...

In an era where hasty urbanization tends to overpower greenery, this dazzling phenomenon is a reminder of the need to hold on to Bengaluru's reputation as the 'Garden City.' As the pink flowers ...

A well-known example is RADAR, and more recently, its optical counterpart, LIDAR ... on the state-of-the-art techniques available today for various types of scattering phenomena. It also explores ...