We tested precision scopes that cost a few hundred to a few thousand dollars and are ideal for ringing steel at extended ...

“The eye does not like being in a canted position—which is the normal shooting position. It’s being held by six muscles, all ...

Axions are hypothetical light particles that could solve two different physics problems, as they could explain why some ...

Nature Sustainability publishes significant original research from a broad range of natural, social and engineering fields about sustainability, its policy dimensions and possible solutions.

Fibre optics and optical communications is the use of thin strands of glass for sending information encoded into light over long distances. Total internal reflection prevents light inserted into one ...