A Dash of Science – Christopher El Sergio

New Public Patreon Video: Cave Geek Art – Leather work based on Astronomer Johannes Hevelius

February 19, 2019 Christopher El Sergio 0

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 […]

Sir Isaac Newton’s Notebooks

January 18, 2019 Christopher El Sergio 0

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 […]