I think you’re completely right that this applies equally to PhD programs and yoga teacher training — both feel like personal enrichment as much as career training. (Though at least most PhD programs end up being fairly affordable for students because of grants and getting paid to TA, etc....
The invention advantageously eliminates the need for the expensive and time-consuming manufacture of physical prototypes before manufacturing the luminous element itself. For example, such a manufacturer can display in real time and in virtual reality long light guides placed in a vehicle passenger ...