The beginner’s guide for hobbyists and makers unlocks some of the practical secrets behind lightning detection design.

Optically isolated solid-state relays (SSRs) (also called optocouplers or photovoltaic relays) were developed to overcome ...

Apple’s latest patent hints at a future where the Apple Pencil might finally break free from the screen. Instead of being tied to an iPad or a tablet surface, this next-gen stylus could let you sketch ...

Google might have a small but growing challenger in the clean Android space. The Nothing Phone (3) could be a very enticing ...

China faces scrutiny over cyber espionage. A US state's Army National Guard network suffered a breach. The group Salt Typhoon ...

Researchers have succeeded in creating a "time crystal" in the laboratory that maintains autonomous rhythms at room temperature.

Enrique Rico Ortega and Sofia Vallecorsa explain how quantum computing will allow physicists to model complex dynamics, from black-hole evaporation to neutron-star interiors.

A unique new material that shrinks when it is heated and expands when it is cooled could help enable the ultra-stable space telescopes ...

Scientists build a "metagrating" filter that selects light by both wavelength and angle—unlocking next-gen AR, sensors, and ...

Dissolved oxygen (DO) is the measure of oxygen gas that is physically dissolved in water. It is a critical parameter for aquatic environments because it supports the respiration of fish, invertebrates ...

Atomic-scale detail is now possible with photons, thanks to a cooled-down silver tip and a clever use of plasmonics.

Explore the BHEL Artisan Syllabus 2025, including exam pattern, post-wise syllabus, prep tips, and other details on this page ...