In the procedure of surface defects detection for large-aperture aspherical optical elements, it is of vital significance to adjust the optical axis of the element to be coaxial with the mechanical ...

WASHINGTON (DC News Now) — D.C. Public Libraries is offering free children’s eye exams and glasses. All appointments will be free, and families will need to register in advance.

What if a simple vision test could predict your brain health years in advance? New research from the UK suggests that changes in how we see might be able to flag the risk of dementia more than a ...

Chinese firms have booked the first soymeal cargo from Argentina since Beijing approved Argentine imports in 2019, as China's animal feed industry looks to broaden its supply options to mitigate ...

The world’s three bestselling makers of bitcoin-mining machines – all of Chinese origin – are setting up manufacturing footholds in the US as President Donald Trump’s tariff war reshapes ...

Railway intrusion seriously threatens railway safety and can cause enormous loss of life and property. Therefore, railway intrusion detection is crucial for the safety of railway operation. Among the ...

Apache Bullseye 5+ The Bullseye 5+ machine-mounted laser receiver detects laser light from rotating lasers and provides a visual indication of the direction to move the blade or bucket in order to ...

Social media users were stumped by a viral brain teaser that challenged them to spot all the hidden human faces in a lamb-themed optical illusion.

#shorts Exclusive Youtube Nerf shorts from MacDannyGun! If you like this video click like and share it with others so we make more of them! Its the Nerf Ultra Scream Machine - nOON Test! # ...

A new study suggests that measuring specific immune system proteins in the blood could help predict which patients with intermediate age-related macular degeneration (AMD) are most likely to ...

RTX companies Pratt & Whitney and Collins Aerospace continue to examine how they could take a hybrid-electric version of the PW1100G engine to flight test even as they prepare to build the ...