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Category Archives: explainers


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Time crystals are similar to regular crystals in that they are based on structures of atoms that repeat. Rather than forming repeating across three dimensions of space, these ones change in a set pattern over time.   This strange phase Read more…


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A study’s p-value is the probability that your measurements could occur even if there’s no relationship with the variable you’re testing.  Smaller p-values suggest your observations are a good indication that the variables being tested and measured in your experiment Read more…


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Quantum cryptography is a way of securing information based on the principle of uncertainty in quantum physics.  An encryption based on such physics would in theory be ‘unbreakable’, since intercepting a message causes the encryption process to shatter like the Read more…


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From what we know about SARS-CoV-2, somewhere between 60 and 72 percent of a population needs to be immune to the virus for its spread to stop. That’s without taking isolation measures into account.   The exact number will depend Read more…


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Ketamine is a compound commonly used for pain management or as an anaesthetic in medical and veterinary procedures, and is increasingly attracting interest as a potential treatment for mental health conditions such as severe depression and post-traumatic stress disorder.   Read more…


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Consciousness is what allows you to think, remember, and feel things.  The term can refer to someone’s actual experience of the world – their thoughts, sensations, and decision making – as well as the appearance of awareness to an observer. Read more…


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States of matter describe the distinct ways certain groups of particles arrange themselves with various temperatures and forces. Historically, these descriptions have focussed on a material’s shape and volume, giving us just three traditional states: solid, liquid, and gas.   Read more…


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The Moon is Earth’s only natural satellite, circling the planet at an average distance of roughly 385,000 kilometers (239,000 miles).  With a diameter of just under 3,500 kilometers (about 2,160 miles), the cratered surface of the rocky object is one Read more…


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The Fermi paradox describes the apparent contradiction between why there’s no evidence of extraterrestrial life, despite the fact that logically, it should have been discovered by now.    Named after Nobel Prize-winning nuclear physicist Enrico Fermi, who was sometimes known Read more…


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Coronavirus strains are viral variants considered to be functionally unique enough to stand out in a significant way.  Mutations can occur spontaneously in the virus’s genome as its particles – or virions – copy themselves inside a host’s cells. Most Read more…

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