The archaic versions had just one or two tones formed by slits cut into a log or a crafted piece of wood. This type of drum developed independently within these cultures. Kevin Wolfe (blog: ), the ancestors of these drums were the wooden slit drums found in African, Aztec, and Indonesian cultures. The tongue drum is a modern invention, and yet it isnвЂ™t.ДЄccording to J. If you are a musician, you might want to spend more on an instrument that has a greater range of notes with more accurate tuning. But the smaller drums also produce a satisfying, if somewhat limited, musical scale. After that, you work on rhythm.ДЄccording to YouTube reviewers, the larger tongue drums (18 inches) have deeper and richer tones. The music available online tells you what number to strike in what order. Need directions? Instead of glancing down at your phone and then up at the road or sidewalk, smart glasses could simply overlay directions in your field of vision, showing you where to turn or whatever else.Д®ach tongue is numbered. So what makes AR glasses interesting? Smart glasses want to put the web right in front of your eyes.

Research firm Facts and Factors estimates that the smart glasses market was worth about $5.8 billion in 2018, but will rise to $123 billion in 2027. Just as smartphones put computers in our pockets and ushered in a new age of GPS navigation, localized search results and all the rest, smart glasses may immerse us in a metaverse that breaks down the gap between virtual reality and real reality. Was Google Glass ahead of its time or simply a misfire? With a new generation of smart glasses - also called augmented reality or AR glasses - hitting the market, we may find out.Д«ack in December, the Wall Street Journal mused that smart glasses could be AppleвЂ™s successor for the iPhone. Back in 2014, Google Glass was all the rage for a few short months before the reality-altering fad faded away. You might wonder if youвЂ™ve accidentally stumbled across an old article.

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