Guest Thinkers — February 16, 2011

7,000 Twitter followers

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Three months ago I posted about my 6,000th Twitter follower. Apparently I’m already up to 7,000. I’m not sure what to make of that rapid growth, but thank you, Mrs. Abbott (@teacherabbott) for being one of my tweeps!

Now I owe TWO people a CASTLE mug!

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A composite image showing a galaxy with red circles marking stars on the left and multicolored expanding rings with Earth on the right, all set against a grid background, illustrating concepts like Hubble tension studied by Wendy Freedman.

Starts With A Bang

Is the Hubble tension real? Exclusive interview with Wendy Freedman

Different methods of measuring the Universe’s expansion rate yield high-precision, incompatible answers. But is the problem robustly real?

A man in a suit looks at the camera with a neutral expression, set against a light green background with abstract black scribble accents.

Big Think Books

John le Carré’s son joins the Circus with his new book

With “Karla’s Choice,” Nick Harkaway had an impossible mission: maintain his father’s legacy while staying true to his voice.

Map of Bhutan showing its borders with China and India, highlighting several disputed regions with labels indicating their names and locations.

Strange Maps

Why China is eating its tiny neighbor, Bhutan

As Beijing encroaches on the territory of the Himalayan kingdom, its ultimate aim is leverage over India.

A worker in protective gear operates machinery in an industrial facility, with a partial overlay of solar panels and geometric patterns above—hinting at the innovative spirit found in stellar societies.

The Long Game

The Tony Seba and James Arbib interview: Why the future belongs to “stellar societies”

The cofounders of think tank RethinkX are convinced that humanity is undergoing civilizational phase change.

Black-and-white portrait of Steve Hanke, an older man in a suit and glasses, centered on a background with graph lines and dotted patterns.

Business

The Steve Hanke interview: “Writing a tweet is the endgame of the Feynman Technique”

The veteran economist joins Big Think to unpack the new rules of social media, explain tariffs, and recount his adventures in Albania.

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