In all three tasks, participants were instructed to fixate on a center dot and pay attention to circular aperture on one side ... no inter-slice gap; field of view = 256 mm; flip angle = 8°; image ...

Use a pair of scissors and cut around the edge of the outer circle, then cut tabs every 2cm between the first and second ...

For video shooters, the Sigma 17-40mm f/1.8 DC Art offers silent and responsive autofocus thanks to Sigma’s High-response Linear Actuator (HLA). Focus breathing is minimal, and the internal zoom ...

Breakthroughs in pure mathematics can take decades. A new Defense Department initiative aims to speed things up using ...

So as we found out last week, Snap is finally launching Specs to the public in 2026 — after an exhaustive developer program that spans four years since its first Spectacles AR glasses.

The deep learning system distinguishes IIH, NAION, and healthy eyes with 93.6% accuracy, aiding in resource-limited settings.

Big Tech has been on a mission to find the next technology that would become as pervasive as the smartphone. Nearly two decades after the first iPhone launched, Silicon Valley thinks it’s finally ...

The best telescopes for seeing planets will let you capture Saturn and Neptune in the same view and watch Mars shining ... a long focal length and a large aperture so that you can get up-close ...

Best overall Best overall The Celestron NexStar 8SE is no small investment, but this feels like a telescope that is really built to last, with edge-to-edge sharpness across the field of view and a ...

Abstract: In optical coherence tomography (OCT) system, high numerical aperture (NA) PCF is required for collecting back scattering light for detailed information from body tissue. In this paper, we ...

A stunning evolution of Bremont’s rugged field watch, the Terra Nova Jumping Hour and its namesake complication were ...