Why do small apertures have large f-numbers? The f-stop number actually refers to the size of the aperture opening, calculated by dividing the lens's focal length by the f-number. For example, with a ...

High-end French speaker brand Focal has announced the launch of its Utopia Main, a new range of studio monitors designed for recording professionals like record producers, sound engineers ...

The average length of haul for a truckload has plummeted in recent months, averaging nearly 8% shorter year over year to start 2025. This is a dramatic shift from what was happening this summer, when ...

Nanlite has announced its new Rapid 90 Parabolic Softbox (SB-RP90) and Rapid 120 Parabolic Softbox (SB-RP120). The new Nanlite Rapid series can be set up in seconds and folds flat when collapsed. The ...

It’s no secret that altcoins typically outperform in a bull market. These lesser-known projects piggyback off Bitcoin price surges and can drive serious gains for smart investors. With 2025 set to be ...

The resulting biopsy needle features six parallel needle segments interconnected by a ring passing through slots along the length of the needle segments, enabling a wasp-inspired reciprocating motion.

You may also hear this type of seizure called a partial seizure. You can find out about focal seizures on our webpage. Someone having a focal seizure may not be aware of their surroundings or what ...

When an epileptic seizure starts in one side of the brain, it’s called a focal onset seizure or a focal seizure. Both terms mean the same thing. During a focal aware seizure, you stay fully aware of ...

A single-element plano-convex lens is placed above each sample, so that collimated light is projected to a 100 mm focal length parabolic reflector, which then creates an image on the detector. The ...