LIGO-VIRGO Detects The First Three-Detector Gravitational Wave (Synopsis)

“Einstein’s gravitational theory, which is said to be the greatest single achievement of theoretical physics, resulted in beautiful relations connecting gravitational phenomena with the geometry of space; this was an exciting idea.” -Richard Feynman For over a century after the publication of General Relativity, it was uncertain whether gravitational waves were real or not. It … Read more

Ask Ethan: How Can Worlds That Never Get Above Freezing Have Liquid Water? (Synopsis)

“Day after day, day after day, We stuck, nor breath nor motion; As idle as a painted ship Upon a painted ocean. Water, water, every where, And all the boards did shrink; Water, water, every where, Nor any drop to drink.” -Samuel Taylor Coleridge Here on Earth, water can easily exist in all three phases … Read more

5 questions you were too embarrassed to ask about the expanding Universe (Synopsis)

“The more clearly we can focus our attention on the wonders and realities of the universe about us, the less taste we shall have for destruction.” -Rachel Carson The idea that the spatial fabric of the Universe itself is expanding, and that’s what’s behind the observed relationship between redshift and distance has long been controversial, … Read more