My great nephew is starting early… 💕🚀 (His first visit to Space Camp)👽👶 https://t.co/QwYfiNI8NU - Saturday Jul 2 - 2:59pm
RT @PhysInHistory: Physics Photo Of the Day:
Albert Einstein playing violin at a charity concert in the New Synagogue in Berlin, 19… - Saturday Jul 2 - 1:53pm