“Enjoy the parabolic envelopes that form while those bright, sparkling, parabolic curves are etched into the sky tonight.” —Visualizing Math.
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6:24 pm Sat
Jul 4, 2015
The geometry of fireworks
Weird and wild warped-grid jigsaw puzzles inspired by Mobius, Haeckel, and Picasso
Mathematician, artist, and engineer George W. Hart of “Möbius strip bagel” fame has recently been playing with a laser cutter to create head-spinning warped-grid jigsaw puzzles. He came up with an algorithm to generate the initial patterns but “the real fun is step 2,” he says, “using a geometric transformation to warp things.”
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Explainer video - this is a good time to understand what exponential growth means
Here’s a good video that shows how the increase in the number of Covid-19 follows an exponential growth curve. Each day, says 3Blue1Brown, the number of coronavirus cases is “between 1.15 and 1.25 of the number of cases the previous day.” 3Blue1Brown writes: “While this video uses COVID-19 (aka the Coronavirus) as a motivating example, […]
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"Pick a number and I'll guess it": the math behind the magic
On Vsauce2, Kevin Lieber explains the mathematical magic that enables mentalists to confound audiences by correctly guessing the number they’ve picked. Even though I know how it’s done, it still confounds me.
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Take part in the clean energy movement with Arcadia
At this point, it’s every single person’s responsibility to reduce their own carbon footprint and transition to a more sustainable lifestyle. But if you consider the grim fact that the biggest culprit of greenhouse gas emissions from human activities in the U.S. is burning fossil fuels for electricity, things, like pivoting to metal straws and […]
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Canva Pro can be the ultimate design tool for all us non-designers
Companies that don’t have their own in-house design teams (which means 99 percent of all companies these days) face lots of serious questions. Among those questions is how you keep up with all the design requirements of a 21st-century company without the personnel. It isn’t just a website or an annual product catalog anymore. It’s […]
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Upgrade your PC with this sale on refurbished computers from Microsoft, HP, Dell, and more
In case you’re one of those computer shoppers who instinctively turns up their nose at the very mention of the word refurbished, here are a couple myths worth dispelling. Refurbished equals junk somebody didn’t want. While desktops, laptops, notebooks, Chromebooks and tablets marked as refurbished may have been unboxed at some point, meaning they can […]
