Un microchip es una pastilla pequeña de material semiconductor, de algunos milímetros cuadrados de área, sobre la que se fabrican circuitos electrónicos generalmente mediante fotolitografía y que está protegida dentro de un encapsulado de plástico o cerámica
Holmium has the highest magnetic strength of any element, and therefore is used to create the strongest artificially generated magnetic fields, when placed within high-strength magnets as a magnetic pole piece (also called a magnetic flux concentrator).
Neodymium is one of the more abundant lanthanoids and has many different applications. It is often used as colorant for glass and ceramic, because its compounds, depending on concentration, can make a beautiful blue, green or red. This is a blue neodymium glass bead, stained with neodymium oxide
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