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How does 3D printing - metal FDM work? It is no secret, for some years now the new complete systems of Desktop Metal and Markforged have appeared for the FMD metal 3D printing. Normally we are used to seeing huge...

An article published on the National Science Foundation website confirms that the SARS-CoV-2 virus, responsible for the pandemic disease COVID-19, circulates in the air surrounding infected people, gets to creep into the air grids and can even infect the air...

In this period of general confusion there is no unanimity even on the masks. Which ones work? Which ones defend others and which ones ourselves? Here is a diagram that summarizes the characteristics and effectiveness of PPE, personal protective equipment,...

During the COVID-19 pandemic, several prominent opinion leaders explored the best strategies for returning to dental practices, helping practitioners to thrive in a new environment and transform unprecedented challenges into potential opportunities. One of the key enabling factors that emerged...

It was 1982 when Chuck Hull invented the first prototype of a 3D printer which, through the stereolithography technique, made objects with layers of plastic, engraved from an initial block and fixed with ultraviolet lamps. In short, he built the...

Don't tell me there was no time, our kids have been home since the end of February and since then the goal has been to find a way to send them back to school. The uncertainty with which schools are...

According to a review published in the Cochrane Library, there is insufficient evidence to show that point-of-care tests to detect the presence of Covid-19 in the community or in primary or secondary care settings are accurate. "Several diagnostic strategies are...

Halitosis, dry mouth, stained teeth are some oral disorders that some people attribute to the use of the mask: however, there is no scientific evidence that demonstrates its relationship with the appearance of these oral diseases and therefore, in the...