i-heart-histo:

A brief history of microscopy by i-heart-histo

c2000 BC

The Chinese use water microscopes made of a lens and a water filled tube to better visualize smaller objects.

1590

Hans Jansen and his son Zacharias Jansen invent the compound microscope.

1609

Galileo Galilei develops a compound microscope with a convex and concave lens. Calling it the occhiolino - the little eye.

1625

The term ‘microscope’ is coined by Giovanni Faber of Bamberg, an anology with the word ‘telescope’

1665

Robert Hooke publishes Micrographia and coins the word ‘cell’ after his examination of cork bark.

1674

Anton van Leuwenhoek develops the compound microscope to optimize it for observing biological specimens.

1860s

Ernst Abbe discovers the Abbe sine condition for manipulating the axis of optical systems to improving sharpess of images. This breakthrough in microscope design was exploited by microscope manufacturers Zeiss and Leitz resulting in a microscope boom.

1920

Olympus manufacture their first microscope - the Asahi.

1957

The Olympus DF Biological Microscope becomes the first microscope to feature an attached light source rather than a mirror that reflects light on the specimen.

1976

The popular CH series of Olympus microscopes appear in universities and colleges around the world. Chances are your college still uses these lab teaching scopes (or the slightly newer CH2 version).

1993

Introduction of a unique Y-shaped design for the microscope body for enhancing optics.

2004

Confocal and virtual microscopy are now common place.

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grunkfield:

im crying bc i just read an article saying that bieber literally called his manager at 3 am to say he decided that it should be spelled swaggy instead of swaggie

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tomato-market:

regtoncats:

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dancingfirelilies:

Oh Zuko, you flawless bitch…

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princemordo:

heads up

if i ever stop talking to you as much

• its not you
• there are a lot of things going on right now and idk what im doing and i often forget the fact that i have friends omfg
• i still want to be close

if i ever message/text/call/ect you a lot

• pls let me know bc i dont want to make you uncomfortable or bug you
• be a Pal; dont let me make an asshat out of myself
• ps its more than likely because i want to be close

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flutterlings:

the whole yahoo/tumblr thing is rly just like when a single dad marries a new woman and the kids get rebellious and are like “YOU’RE NOT MY REAL MOM”

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vagisodium:

i feel like i tricked you all into following me and youre here against your will

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d-criss:

jean valjean for father of the year because honestly how many dads will carry their adopted daughter’s boyfriend through a sewer of shit to keep him alive

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