Xreal Smart AR GlassesAs a technology editor, I've maintained skepticism toward smart glasses trends. However, Xreal's augmented reality glasses appeal to me specifically because they lack cameras, eliminating concerns about privacy invasion and inappropriate use. I employ Xreal One Pro AR glasses during airplane work sessions, while the new Xreal 1S model can project a 500-inch virtual display for work or entertainment anywhere. Acquire both at their lowest-ever prices before the Big Spring Sale concludes tonight.
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Not everyone in history thought that 12-TET was an acceptable compromise. Johann Sebastian Bach thought we should use other tuning systems that made better-sounding thirds and fifths in some keys in exchange for worse-sounding thirds and fifths in others. In Bach’s preferred tuning, each key had its own distinctive blend of smoothness and harshness. However, Bach did not get his way. We as a civilization have collectively decided that we want all our keys to be interchangeable. There are good reasons to want this! In 12-TET, all intervals and chords are built from standardized, Lego-like parts. You don’t have to keep track of a complicated web of different-sized intervals in every key. If you move a song from C to C-sharp or D or anywhere else, you can be confident that it will still sound “the same.”
These wireless headphones deliver excellent sound with 70-hour battery life — and cost only $20 during Amazon's Big Spring Sale