New Public Patreon Video: Cave Geek Art – Leather work based on Astronomer Johannes Hevelius
Check out the video, and be sure to check out his site at www.cavegeekart.com and use the discount code “dash20” for 20% off all his […]
Science History
Sir Isaac Newton’s Notebooks
University of Cambridge Digital Library offers the largest and most important collection of the scientific works of Isaac Newton. Check out his writings as you […]