A set of powerful development kit: JSON, task management, numerals, chemistry, etc.

To achieve these goals, the team first plans to optimize the experimental conditions under which it can produce various forms of printable periodic nano/microstructures. More information ...

Since Dimitri Mendeleev formulated the periodic law in 1871, and published an associated periodic table of chemical elements, authors have experimented with varying types of periodic tables including ...

Microsoft Print to PDF is a feature, built into Windows 11/10, that lets you create a PDF file from several file formats. If you do not have a printer, you can still use this feature to save your ...

These are almost one-quarter of the periodic table and are mainly found in the first four periods. Of these, 11 are essential elements that our bodies need in larger amounts: oxygen, carbon ...

Ivan Dmochowski ponders how xenon, though initially slow to earn a spot in the periodic table, is now at the forefront of advances in science and technology. For all their nobility, elements of ...

See the periodic table in an entirely different way with this curled ribbon version print from organosilicon chemist James F. Hyde, which puts silicon at the center, from the PatentPro shop on Etsy.

This document has been published in the Federal Register. Use the PDF linked in the document sidebar for the official electronic format.

The fact that many of the rare earths yield coloured salts has led to considerable uncertainty as to their proper place in the periodic classification, and many attempts have been made to allocate ...

The links below take you to web pages where you can access PDF files of annual tide-tables. These can be printed for personal use or used in publications, subject to the conditions as stated on these ...