Here’s how COVID-19 could change the way we fly

As the world slowly eases its way out of the COVID-19 lockdown, we’re on the verge of a new era in air travel. We could soon encounter armies of robotic cleaners patrolling airport concourses, disinfecting check-in counters and ticket kiosks. We might see passengers wafting through security and baggage checkpoints without touching anything. And we might be boarding aircraft where hand gestures and eye movements open overhead stowage bins and…