Physicists in Leiden have built a microscope that can measure no fewer than four key properties of a material in a single scan, all with nanoscale precision. The instrument can even examine complete ...
Amscope Refractor ALT-AZ Telescope TLS-PAZ-90660: Amscope TLS-PAZ-90660 Refractor ALT-AZ Telescope comes with Altitude Azimuth Mount, 90mm Aperture, 600mm Focal Length, Stainless Steel Tripod and Red ...