The more you know about a quantum particle's position, the less you know about its momentum, and vice versa. This is the Heisenberg uncertainty principle, and I thought it applied to quantum particles only, so I didn't mind not understanding why this was so because quantum physics is weird. But 3Blue1Brown says the Heisenberg uncertainty principle applies to non-quantum things to, and in this 20-minute video, he explains why. You can actually get a reasonably good understanding of the uncertainty principle by watching the first two minutes of the video.
Quantum physics gets real weird real fast, and one idea gaining more currency of late is the concept of quantum retrocausality, where a decision made in our experience of the present may influence what we experience as the past. These aren’t a bunch of Time Cube type cranks, either. From a helpful overview by Lisa […]
Chinese researchers demonstrated quantum entanglement at a record distance, between a satellite and ground stations 1,200 kilometers apart. When objects are quantum entangled, their quantum states are linked. Measuring the state of one affects the state of the other. It’s weird shit. So weird that Einstein called it “spooky action at a distance.” The experiment […]
MinutePhysics responds to CGP Grey’s video “The Trouble with Transporters,” below.
Who needs a holiday sale? Sometimes there’s no better time than the thick of summer to find deals. We should know – we’ve found ten deep discounts on some must-have items. Whether you’re searching for CBD edibles, exercise gear, chargers or other tech, take a look. But don’t look long – these prices aren’t likely […]
Heading abroad? Even if it’s just a short trip, there’s a lot to prepare for. Travel can be incredibly rewarding, but it can tricky to navigate different cultures and lodging arrangements – and even trickier to do it cheaply. Before you go shopping for suitcases, here’s our pick for a good first investment: The Ultimate […]
Fried foods are a weakness for many of us. There’s nothing quite like that extra crisp crackle on chicken, fries or onion rings. And for years, our arteries have been paying for the privilege. Lately, the air fryer has been a godsend for those who love the fried stuff but love their body too. If […]