Mighty Optical Illustions has three interesting audio files that play tricks on your ears.
Shepard's ascending tones (MP3) - This is a recording of Shepard's paradox synthesized by Jean-Claude Risset. Pairs of chords sound as if they are advancing up the scale, but in fact the starting pair of chords is the same as the finishing pair. If you loop this sample seamlessly then it should be impossible to tell where the sample begins and ends.
Falling bells (MP3) - This is a recording of a paradox where bells sound as if they are falling through space. As they fall their pitch seems to be getting lower, but in fact the pitch gets higher. If you loop this sample you will clearly see the pitch jump back down when the sample repeats. This reveals that the start pitch is obviously much lower than the finishing pitch.
Quickening Beat (MP3) - This recording is subtle. A drum beat sounds as if it is quickening in tempo, but the starting tempo is the same as this finishing tempo.
Where are our petabyte drives? Brian Hayes takes us through the reasons storage is “stuck” in the low terabytes. The tl;dr is that we got such exceptional capacity growth in the late 90s and early 00s we don’t need much more right now, so the focus since then has been on SSDs, networking, interfaces, etc, […]
Amélie Lamont, a former staffer at website-hosting startup Squarespace, writes that she often found herself disregarded and disrespected by her colleagues. One comment in particular, though, set her reeling — and came to exemplify her experiences there.
In this episode of the Flash Forward podcast we travel to a future where humans have decided to eradicate the most dangerous animal on the planet: mosquitos. How would we do it? Is it even possible? And what are the consequences? Flash Forward: RSS | iTunes | Twitter | Facebook | Web | Patreon We […]
We’d all love a 75-inch TV screen on which to view our favorite shows. But not all of us can drop the cash needed to get one of those broadcasting beauties (or even have the space needed to house them).Thankfully, there’s an alternative. With the SainSonic Mini LED Portable Projector (only $59.99 in the Boing Boing Store), you can project a picture […]
If you want to add some real firepower to your programming repertoire, learn Java–one of the most adaptable, widely-used programming platforms around. You can easily do that with this Ultimate Java bundle, now just $69 in the Boing Boing Store.Across 14 lectures and 117 hours of content, the educators at online academy eduCBA will walk you through […]
Every company wants to harness the power of social media, but few understand how to make that happen. Be one of those select few with this Social Media Marketing Course & Certification package, now just $29 in the Boing Boing Store.Over 12 modules of course material, you’ll learn what it takes to increase a brand’s […]