https://padlet.com/wborden2_1/m4jstjxkep69fg12 en-us 2022-01-06 14:05:46 UTC 2022-01-06 14:40:49 UTC hello@padlet.com wborden2_1 https://padlet.com/wborden2_1/m4jstjxkep69fg12/wish/1978690213   The romans mention making the first magnifying glass. 1st century AD]]> 2022-01-06 14:10:03 UTC https://padlet.com/wborden2_1/m4jstjxkep69fg12/wish/1978690213 wborden2_1 https://padlet.com/wborden2_1/m4jstjxkep69fg12/wish/1978696474 galileo makes or discovers lenses and focusing. 17th century.   ]]> 2022-01-06 14:12:13 UTC https://padlet.com/wborden2_1/m4jstjxkep69fg12/wish/1978696474 wborden2_1 https://padlet.com/wborden2_1/m4jstjxkep69fg12/wish/1978705199 then in 1665 Robert Hooke made the first british compound. It was a light microscope with two converging lenses system. then he discoverd the cell.]]> 2022-01-06 14:15:15 UTC https://padlet.com/wborden2_1/m4jstjxkep69fg12/wish/1978705199 wborden2_1 https://padlet.com/wborden2_1/m4jstjxkep69fg12/wish/1978714494 first person to discover a live cell with a microscope was anton van leeuwenhoek.]]> 2022-01-06 14:18:26 UTC https://padlet.com/wborden2_1/m4jstjxkep69fg12/wish/1978714494 wborden2_1 https://padlet.com/wborden2_1/m4jstjxkep69fg12/wish/1978721112 anton van leeuwenhoek then grinded very thin glass lenses. But they where able to magnify by 700 times. Then single lenses microscopes where much better then the other ones. Would uses transmitted light]]> 2022-01-06 14:20:32 UTC https://padlet.com/wborden2_1/m4jstjxkep69fg12/wish/1978721112 wborden2_1 https://padlet.com/wborden2_1/m4jstjxkep69fg12/wish/1978768647  In 1931 german scientist Max Knoll and ernest ruska. But this doesnt use light but this uses electrons. And this microscope goes up to one million times.]]> 2022-01-06 14:36:59 UTC https://padlet.com/wborden2_1/m4jstjxkep69fg12/wish/1978768647 wborden2_1 https://padlet.com/wborden2_1/m4jstjxkep69fg12/wish/1978779057  anton makes the single lenses microscope in 1670]]> 2022-01-06 14:40:49 UTC https://padlet.com/wborden2_1/m4jstjxkep69fg12/wish/1978779057