And yet, there was a time when there were no telescopes when astronomical observations were still being done… Danish astronomer Tycho Brahe is best ... While prevailing theory dictated that ...

Tycho Brahe was an alchemist who was reluctant to share his discoveries. In his laboratory, however, he worked with an element that humanity discovered nearly 200 years after his death.

In their pursuit of knowledge about the natural world, 16th-century scientists saw few boundaries between experiment and ...