By Bill Nye | Published: February 2, 2012 – 10:06 am

Audacious— that’s how I describe the Arecibo Ionospheric Observatory radio telescope. For me, it was just hard to believe what I was seeing. I just returned from my first Planetary Society-sponsored trip to Puerto Rico and this historic, remarkable, big idea of a machine.   If you’re not familiar with this observatory, it was featured Read More >

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