Optical vector analysis has emerged as a critical tool for characterising optical devices, enabling simultaneous measurement of amplitude and phase responses over wide bandwidths. This technique is ...

Section 1. Purpose. Superiority in space is a measure of national vision and willpower, and the technologies Americans develop to achieve it contribute substantially to the Nation’s strength, security ...

In visual cortex, neural correlates of subjective perception can be generated by modulation of activity from beyond the classical receptive field (CRF). In macaque V1, activity generated by ...

Benthaus is among six passengers selected to ride on Blue Origin's New Shepard rocket, scheduled to get off the ground from West Texas on its 37th spaceflight. The passengers of NS-37 would join 80 ...

This morning, as the sun climbed over a private spaceport in rural West Texas, a six-story-tall rocket lit its engines and lifted off, carrying a spacecraft with four people on board—the first ...

The winter solstice has long marked a time of rebirth, behind it are fascinating astronomical events. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

The sun's distance from Earth changes throughout the year but it has nothing to do with the seasons. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...