A woman has described the "breath-taking" experience of seeing a rare ghostly shadow phenomenon while out walking. A Brocken spectre optical illusion happens when a person's own shadow is projected ...

Here the authors demonstrate a temporal Vernier caliper for arbitrary waveform synthesis with a sampling rate over 1 TSa/s. These results, which surpass current electronic systems by an order of ...

When the moon casts its glow upon the night sky, it often captivates viewers with its serene beauty. However, on one ...

This unique phenomenon attracts both pilgrims and researchers, creating an intersection of faith and science. Jawalamukhi temple attributes the Hindu mythology to the myth of Goddess Sati.

The first is a powerful one, made up of relatively long pulses, that modifies the optical delay experienced by light in ... revealing a variety of previously inaccessible quantum phenomena.” Light ...

Optical fingerprint scanners are the oldest method of capturing and comparing fingerprints but it’s still popular today. As the name suggests, this technique relies on capturing an optical image ...

This unique phenomenon occurs because during the equinoxes, the Earth is not tilted toward or away from the sun; the sun follows a path across the celestial equator, Michelle Nichols, director of ...

With the change of seasons, Chicagoans (and visitors) can enjoy a unique celestial event: Chicagohenge. This phenomenon occurs twice a year, during the spring and fall equinoxes, when the Sun aligns ...

Nvidia to use optical tech in networking chips, not GPUs Copper cables currently more reliable than optical connections Nvidia has backed startups working on co-packaged optics for AI chips SAN ...

Mistakes were (allegedly) made during the Halo TV series, which ran for two seasons on Paramount Plus before being given the ax last summer. One of those errors, which was acknowledged by star ...

who took to Facebook to share a photo of the optical phenomenon at about 2.40pm. “A rare and spectacular sight in the skies above! I am told that this phenomenon is known as a 22-degree halo or ...