A translucent hydrogel film can conceal and reveal Leonardo da Vinci’s Mona Lisa, triggered by subtle changes in temperature, ...

In late winter, the zodiacal light is visible in the evening in the Northern Hemisphere (false dusk) and in the pre-dawn morning in the Southern Hemisphere (false dawn). In early autumn, the timing ...

Have you ever seen a hibiscus flower? Although its petals have a range of colors, what makes the trumpet-shaped flower more ...

Physical AI is not merely a product feature. It is an architectural shift. The question before us is simple: Will the world of Physical AI be built by a few thousand engineers, or by millions of ...

Many organisms leverage showy colors for attracting mates. Because color is a property of light (determined by its wavelength), it is easy for humans to see how these colors are used in animal ...

Have you ever wondered what the invisible world of radio waves might look like if you could actually see it? Rootkid explains how his project, the Spectrum Slit, transforms the unseen chaos of ...

A severe solar storm could produce a visible show from Alabama to Northern California. 0 20 40 60 80 100 Source: NOAA/National Blend of Models. William B. Davis, Joel Eastwood and Joey K. Lee/New York ...

Tracking people’s light exposure in everyday life reveals that brighter, more stable daily light is linked to feeling less sleepy and responding faster on key cognitive tasks, highlighting light as a ...

A flexible optical identifier uses polarized emission from self-assembled crystal films to create two stable states that support tri modal authentication and improve reliability in secure device ...

Fig. 1 Contents of this review. When AI and structured light meet, the intersection facilitates the generation of new forms of light, the unravelling of structured light, and the application of ...

A hurdle was crossed in the effort to add lights to Riverside Park in Oakmont. Tony Lascola, chair of the Parks and Recreation Committee, made an official proposal to council to add lights to the ...

NTT’s research division has developed what it claims to be the world’s first programmable nonlinear photonic waveguide capable of switching between multiple nonlinear-optical functions on a single ...