In Britain, the Glastonbury Canal is believed to be the first post-Roman canal and was built in the middle of the 10th century to link the River Brue at Northover with Glastonbury Abbey, a distance of about 1.75 kilometres (1,900 yd).
A. Yes, but not in detail. âMany scientists use electron, scanning tunneling and atomic force microscopes to view individual DNA molecules,â said Michael W. Davidson, curator of the National High Magnetic Field Laboratory at Florida State University.
An electron microscope uses electrons to observe the structure and morphology of things at small scales (down to a fraction of a nanometer). The main types of electron microscopes are the Scanning Electron Microscope (SEM), Transmission Electron Microscope (TEM) and the Scanning Transmission Microscope (STEM).