There are 15 layers of security in place for anyone getting on board an aircraft. Even if one were defeated, there are multiple other measures in place.

You're going to reduce congestion and make the process move more efficiently for everyone. And we can focus our efforts on individuals that we know a little less about.

Not every good thing in life will remain forever

It's a wonderful human-interest story, because here the predictor did not back down, and the measurer did not back down. This went on for decades, and in the end it was proved that they were both right.

It's sobering. It breeds humility.

If someone should be able to detect the neutrinos from the Big Bang, there's probably an airline trip to Stockholm waiting for that person.