Guest Thinkers — February 16, 2011

Dueling graphs!

Scott McLeod

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Miguel posted about John’s graph on rate of change.

Here’s how I’ve presented on this topic…

Cue up the dueling banjos!

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Visualization of a section through the large-scale structure of the universe highlighting cosmic web patterns and distributions.

Starts With A Bang

Ask Ethan: Is dark energy just leftover momentum from the Big Bang?

Since 1998, we’ve known our Universe isn’t just expanding, but the expansion is accelerating. Could the Big Bang itself be the reason why?

Starts With A Bang

The 6 strongest materials on Earth are harder than diamonds

For millennia, diamonds were the hardest known material, but they only rank at #7 on the current list. Can you guess which material is #1?

A man in a suit sits at a desk holding a large Hurricane Dorian forecast map, with U.S. flags and official emblems visible in the room, evoking the urgency of a 1938 science manifesto warning about threats to democracy.

Starts With A Bang

This 1938 pro-science manifesto defended democracy against fascism

As democracy recedes and fascism rises in the USA and around the world in 2025, history provides a lesson in how science can fight fascism.

Bright star at the center of a blue nebula radiates mass energy, surrounded by numerous smaller stars, with diffraction spikes visible from the brightest stars.

Starts With A Bang

Ask Ethan: When do stars turn the most mass into energy?

All stars shine due to an internal source of energy. Usually, it’s nuclear fusion: converting mass into energy. What makes them most bright?

Starts With A Bang

The importance of caring about the truth

You don’t need to be a scientist or a philosopher for facts, reality, and the truth to matter. The alternative is simply known as bullshit.

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