Federal investigators believe someone defaced the 1868 trapdoor carbine, which was one of only four made, to conceal that it ...

IT is known that the spherical aberration of electron lenses sets a limit to the resolving power of electron microscopes at about 5 A. Suggestions for the correction of objectives have been made ...

A new study is raising fresh concerns about the hidden dangers of microplastics — this time inside the human ...

Specialists in the technical components of a synchrotron light source are usually well versed in their field and in the associated technical literature. However, with the rapid and continuing growth ...