In honor of Hubble Space Telescope's 30th launch anniversary, we explore it's early conception and deployment in April 1990 and provide resources for further learning.
This post was written by Science Reference Specialist Nate Smith. This year marks the 150th anniversary of one of the most important breakthroughs in the field of chemistry: the Periodic Table of Elements. While there have been over 700 distinct iterations of the table (Scerri, 20), the first tables that explicitly showed periodicity were created …