Science history

Prisms, lenses, telescopes and microscopes were standard equipment in lectures on optics. Other devices such as the camera obscura (a dark room) or a magic lantern could be demonstrated with great effect. There would often be a particular section on colours. This illustration shows a girl and a woman using microscopes. Above are diagrams of... View Article

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Want a fun way to change up how you assess your students? While there is value in giving multiple choice assessments (students need to have these test taking skills to pass the ACT and SAT), I also like to change it up. Not all students do well with multiple choice or written tests, and offering ... Read more

x, [13]-216 p. 15 cm

11 "Illustrations of Natural Philosophy" vintage science posters. Free downloads perfect for educators, enthusiasts, and decor lovers.

An avowed paganist in a time of religious strife, Hypatia was also one of the first women to study math, astronomy and philosophy

Before the days of computers, employees at NASA would have to go about conveying their knowledge in a much more laborious way: chalk, board, and likely tears. The scientists used…

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