Test # 134 [14-May-2024]

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Scientific Instruments & Appliances
Scientific Instruments & Appliances
quadrant
is an instrument for measuring altitudes and angles in navigation and astronomy.      .. More >>

Word of the Day

Science Facts
Bacteria – tiny living things that we also call germs – divide in two every 20 minutes. So, starting with one (it doesn't need a girlfriend/boyfriend), you can have over 130 million in just 9 hours!      .. More >>