My gym has one of those tube entry systems, one side opens, you step in, then it closes around you before front opens to let you out
I always try to time fart before I step out, leaving the aroma trapped inside for the next person to enter

Teachers don't need more tech. They need smaller classes and more (paid) time for prep and instruction. But alas, the tech option means more profit for billionaires, while the latter would cost billionaires more in taxes. And so, in our current kleptocracy, tech is what teachers are going to get...