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finally, I was waiting for this comment.




I've previously used PianoVision, and it worked quite well. The concept seems similar, now augmented with VR. I anticipate that VR pianos will evolve to such an extent that they'll replace traditional pianos in many scenarios (like teaching/learning) https://www.meta.com/experiences/5271074762922599/


> they'll replace traditional pianos in many scenarios

I'm not convinced. Totally VR pianos are obviously a bad idea just like totally VR keyboards for typing are rubbish for anything more complex than a wifi password.

And as for learning using VR - well, I'm not convinced by things like pianovision. How do you learn a piece with that? With sheet music I can play the music at my own speed, when and how I want. I can go back and play a measure a few times to experiment with timing. Speed up and slow down, and develop my own ear for how I want it to sound. If I'm feeling cheeky, I'll improvise extra notes in the song, or take some notes out if I'm not feeling it. At an instrument, sheet music is a polite suggestion.

I can imagine playing something like pianovision and getting good at pushing the buttons at the right time like guitar hero. But being a human shaped CD player feels like a very small part of what makes a musician.


I agree for pianos, because the mechanical feedback is part of what makes playing enjoyable.

I'm not as sure for keyboards in VR! There has been a lot of research on non-invasive brain computer interface (BCI), including predictive systems that guess what you want to type, instead of where you're actually typing (example from 8y ago [1]).

Simpler gesture recognition is already on the market (like this one, from 2020, for the apple watch [2]). And now bigger VR players are investing in the tech [3]. I expect useful brain interface to be integrated in common VR devices in a couple of generations.

[1] Air Keyboard: Mid-Air Text Input Using Wearable EMG Sensors and a Predictive Text Modeland a Predictive Text Model; https://digitalcommons.dartmouth.edu/cgi/viewcontent.cgi?art... [2] https://mudra-band.com/ [3] https://www.androidcentral.com/gaming/virtual-reality/zucker...


Pianovision encourages connecting a midi piano to the headset. It also uses sheet music and has over 1000 works with finger numbers and sections. Virtual keyboards require haptics to get a lot better, still it is better than nothing at all.


Getting good at pushing the buttons is exactly it. Just being able to hit the note that you want to hit on an instrument is a skill


I think a melodica is a good comparison and goal.

A melodica is not good for learning piano obviously but is a really interesting musical instrument in and of itself.

Trying to replace the real instrument makes about as much sense as a paper computer keyboard for learning typing. If you really want to learn to type, you obviously are going to "invest" in a real computer keyboard.

If that investment is too much up front then you have already set yourself up for failure so what is the point?


The weight of the keys are an extremely important factor. Pianos and even good digital pianos have hammer action keys.

You have no way of control the volume with this.

I don’t think digital will ever replace a real piano.


Wanted to add:

This isn't to say that something like this can't make its own cool instrument, but as to learning the piano, no matter how good the tech is, its always going to be an imitation of the real thing. Which isn't to say that its useless for learning piano either.


What? Why would they? Digital piano sounds still can't reproduce the richness of dynamics and texture of an acoustic piano. Practising on a digital keyboard and then performing on a real piano is jarring enough, let alone using an instrument with zero haptic feedback. This is pure gimmick.



Actually, the Pneumatic Post actually served to keep time in Paris in the late 19th century.

The Paris Observatory utilized the pneumatic system to distribute the official time across the city by sending pneumatic pulses at predetermined times, which would then be used to adjust the clocks as needed.

Video reference here: https://www.youtube.com/watch?v=gol_p2aWrJg


For anyone interested in bio-inspired aerodynamics, there's a fascinating study published in Scientific Reports exploring the aerodynamic efficiency of dragonfly and NACA4412 airfoils in ground effect. This research uses URANS simulations to offer insights into optimizing MAVs' (Micro Air Vehicles) performance close to the ground. https://www.nature.com/articles/s41598-022-23590-2


For anyone interested in this I recommend checking out these 2 articles: Alaska Airlines chasing the Great American Eclipse - https://news.alaskaair.com/alaska-airlines/solar-eclipse/

This annular eclipse tour by Delta - https://skyandtelescope.org/astronomy-travel/2021-annular-ec...



Listening to your emotions is easier said than done, especially when you’re in the moment, which is essentially when you need to listen the most. There are many ways and methods to analyze emotions afterward, but in my own experience, those aren’t really effective. At the same time, it’s extremely difficult to train in listening to emotions without real emotions occurring.

journaling and video games helped me personally


I'm a co-founder of a small startup, and my co-founder keeps telling me that we need to hire more people because (beyond helping with the company's tasks) "the more employees you have, the more valuable the company is" (in the eyes of investors).

I never believed that was the case, am I wrong?

Which is more valuable: a company with a thousand employees that generates 100 million in profit, or a company with 5 employees that generates the same amount? Beyond the question, I understand it's very simplistic and that the value of a company goes far beyond the number of employees, but I'd like to understand how investors view employees.


You can do more with less. The more you introduce the more complicated it will be. Every person will introduce a new dynamic. Focus on creating small, strong and resistant teams instead.


It's changing now that money isn't as free, but basically:

More people = more growth (supposedly) = more money.


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