Scary moment is when a student says, ''Don't worry, Mr. Burke. I got this.'' as they run toward the edge. You hope they can fly. And some of them soar!

And other times ... you're just glad it's Friday. Regroup for Monday.

On a side note: Today is 2² / 2³ / 2⁴, which (like most of these curious dates) happens only once per century although 3² / 3³ / 3⁴ will occur on 9/27/81. I can't guarantee I'll still be making these at that point.