Ulla

Webinar

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A webinar is a type of web conferencing that allows participants to view and listen to a presentation or panel discussion via the internet. Webinars usually include a question and answer session, and sometimes allow for audience interaction via chat. Is a webinar like Zoom? A webinar is a type of online seminar in which … Read more

Specific gravity

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The specific gravity of a substance is the ratio of the substance’s density to the density of water. The density of water is 1 gram per cubic centimeter (1 g/cm3), so the specific gravity of a substance is simply its density in grams per cubic centimeter divided by 1. For example, the density of gold … Read more