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Interstellar Travel is Hard
The Fermi Paradox points to an apparent contradiction – the universe is a big place, and the laws of physics that have allowed life to evolve on Earth are the same everywhere. Therefore, the universe...
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A Quantum Gravity Experiment
Perhaps the greatest challenge of current theoretical physics is to come up with a testable theory that unites the principles of general relativity with quantum mechanics. This has proven to be a very...
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The Man with the Pig Heart
David Bennett, 57, had terminal heart disease. He was bed-ridden and kept alive on a heart machine for the last six weeks, a temporary measure at best. He was deemed too sick for a donor heart...
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Mapping the Universe
The first day of my high school astronomy class the teacher began with a task – draw the universe. It was a clever way to engage the class, and immediately brought home that none of us had any idea...
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Are We In a Sixth Extinction
There have been five recognized mass extinctions in the history of life on Earth, and a number of smaller ones. They include, in order: Ordovician (444 million years ago; mya) – climate change caused...
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Was the Big Bang Something from Nothing
Arguably the biggest question is cosmology is where the Big Bang came from. We can extrapolate back from our observations of the universe and draw some high confidence conclusions. Since the universe...
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Carbon Signatures and Life on Mars
Was there ever or is there currently any life on Mars is one of the biggest scientific questions of our time. If we do manage to find the remnants of life on Mars, we may be able to ask a deeper...
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Another Swipe at the Flying Car
In “The Future” we will have flying cars. Or so we have been promised since there were cars. The flying car is an almost ubiquitous element of visions of the future, whenever that future is. I have...
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The Problem with Ladapo
The Twitterverse is outraged, appropriately, it turns out, that Florida Acting Surgeon General Joseph Ladapo, who is undergoing confirmation hearings, refused to state when asked directly four times,...
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Lie Detection Through Facial Muscles
The ability to detect with high accuracy if someone is lying would be extremely useful in many scenarios, but most obviously law enforcement. The idea is so alluring that we collectively just cannot...
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