Most likely using less of almost anything is an environmental positive. Consider the footprint of harvest, transport, disposal. Plus it costs the user more to print than to read on screen, so it's bad business to print when you don't need to. Sure, it's not like they are making paper out of old growth forest. But that doesn't mean it's a good thing to waste paper.

or... nerds like Celsius.

Personally, I wish the poll had been done in all F or all C to start with so I could more easily use it to prove that my roommate is a freak who should bow to my statistically normal thermostat setting.

A full box of paper is 20lbs. I use them for military press sometimes at work, along with pushups, squats, and using the stairs.

Think about a convoy of bikes outfitted with this lane projector. 4 or 5 lanes all blended together...

And if I remember correctly the first effect of it was to block the gravity keeping the air above it from flying off into space.

It's turtles all the way down!

You crazy devil! Oh, wait, no one watched the Alaska debates but me.