This is what my DIY suspender skirt that I made the other day looks like without its suspenders! I'm glad I made them removable, because it also looks great as a simple skater skirt. I'm having such a great time sewing and creating things now that I've decided to make most of my own clothes - I've gotten so much better (and faster!) at making dresses and skirts from all the practice! For example, I managed to whip this dress up in a leisurely 4 hours today. For anyone who is scared of sewing or doesn't think they're any good at it - just know that all it takes is practice, practice, practice, rather than any particular smarts or skills!
Let's learn about another spooky audio illusion today!
In the illusion we talked about on Thursday, a tone which sounded like it was constantly descending was in fact getting higher and higher. Shepard tones are similar, being "constantly descending tones" which actually don't change in pitch at all. The starting tone is the same as the finishing tone - in this way, it can be likened to the "penrose stairs" optical illusion:
In a "shepard tone", multiple tones are actually played together, each of which do descend, but when the lowest tone reaches a particular threshold it ends and a new, higher descending tone begins. However, your brain does not perceive the disappearance and appearance of these tones, so instead perceives the entire set as constantly descending.
You could listen to this forever and the tones would never actually get any lower. Have a listen to a Shepard tone and see if your brain is fooled:
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