The microscope was invented around 1590. Zaccharias Janssen and his son Hans Janssen were two dutch eyeglass makers in 1590 and after experimenting with multiple lenses they found that the objects were getting bigger.
(In 1284 an Italian inventor named Salvino D'Armate invented the first wearable eyeglasses.)
In 1665 a English physicist by the name of Robert Hooke looked through a microscope lens and he saw a group of cells. In 1664 Anton van Leeuwenhoek built a simple microscope with only one lens. It was built to examine blood, yeast, insects, and other small things.
In the 18th century the microscope was popular to scientists. Lenses combining two types of glass which reduced the chromatic effect. in 1830 Joseph Jackson Lister came up with the chromatic effect he proved that several weak lenses could be put together together at certain distances and it gives a good magnification without blurring the image.
Hey Jake,
ReplyDeleteI really liked how you talked the reader though the process of the making of a microscope. I find it really interesting how it was invented by a father and son pair. But also that it was later on perfected and new things were discovered.
Why did you choose this topic to write about?
Nice Job!
Katie/ Mei Rin
Hey Jake,
ReplyDeleteI liked the topic you chose. The microscope is a cool one. I think you had some really great detail but maybe you could talk about the Abbe Sine Condition? This was a great read overall! Keep up the great work!
Your buddy,
Anika
Sup Jake,
ReplyDeleteI like your post because it gets right to the facts. I also like how you talk about the eyeglasses to explain that those were the lenses. I also like how you say that the scientists liked to use them in 1800s as a way to look at blood, yeast, insects, and other small things.
Nice post,
Wyatt
Hi Jake,
ReplyDeleteYour blog post was very interesting. I had no idea microscopes have been around for so long.
-Nicholas
Hello Jake,
ReplyDeleteI really liked how you took the reader though the microscope-making process. I find it really interesting how it was invented by father and son. Why did you choose this topic to write about? Thank you for posting!
Thanks!
~Sydney