| It's fairly disingenuous to put those problems as examples. > No one has innovated a cost effective way to update office ventilation properly, I can find HEPA air filters in Amazon for less than $100. > no one has made highly comfortable yet very inexpensive N95 masks, The N95 masks I use are fairly comfortable. However, a N95 mask must be well fitted to provide protection, which means it has to be tight, which means it won't be highly comfortable. This is a physical limitation of the problem, no amount of innovation can avoid the fact that you need a tight seal. > no one has invented a fool-proof vaccination that completely prevents infection The mRNA vaccines are a great example of a pretty cool innovation. It doesn't completely prevent infection, yeah, but no vaccine does that. Having a vaccine in a year and a half, widely available, when the initial estimates were of two years if we were lucky... |
Can you retrofit a house’s HVAC for positive pressure ventilation for $500?