That's like saying nobody will ever have a digital camera, cell phone, Lcd television etc...
Actually that is a bad analogy. The technology for those things were done in the 1940 era.
What change is the process of making the transistor smaller.
We are actually reaching a point with the limitation on how small we can go, you can only go as small as the electron.
We already have done that, with a tunnel diode.
The problem we face with our testing is not a technology issues its a scientific limitation.
Some test must be done in certain way.
There is not whole a lot of ways of testing certain parameters.
The more accurate you get, the more expensive the equipment becomes.
The methods really does not change.
Its still pita if your doing it with a $45 Hanna equipment then a $20k equipment.
The hope with mind-stream is, that they are using a different type of technology.
But what they are using is not new.
Fluorescence applications are in the bio-medical, fluorescence probes (like in water treatment) some forensic application.
Those fields have a healthy budget, and if you look at some of replacement fluorescence strips they super expensive.
What I like is the charting you can do, with creative software, you look at the trend, and see what happening then taking a single snapshots of a measurement.
That could prove to be valuable.
Time will tell with these guys.