Diamonds, Pearls and Atomic Bomb Stones Posted on January 28, 2015 by Polymathically Reply The Professor from Periodic Videos checks out C.V. Raman’s fascinating mineral collection.
Weekly Photo Challenge: Dreamy, Or: Count Your Blessings Posted on October 10, 2014 by Polymathically Reply This is another bit of dreamy intrigue hidden in Maui’s Sacred Garden. Advertisement