A crash course in changing the world.
It's friday night in the year 2020. Friday, the start of the weekend, is a special day in some sense of the word, and to celebrate the weekend my friends and I are going to go to a nearby dance club.
Like all dance clubs nowadays, it has a piezoelectric floor. That became pretty standard by 2017. Tonight though, the club is claiming to have a special energy event. They won't say what it is, but they do say they'll be handing out free T-Shirts, which is a good enough reason for us to go.
When we get there, the music seems to be pretty slow. The club is populated, but not packed. We're handed while T-shirts at the door with the club's logo on them. We quickly put them on, and jump into the floor.
As is usual nowadays, the lights and music pulse on the beat as the feet of the dancer's create more energy. However, as the club becomes more and more crowded, and the music becomes more and more intense, we notice something else going on. The shirts themselves are starting to glow, pulse, and even emit sound along with the beat. As the music picks up and the dancing gets more and more frenzied, the shirts become brighter and louder. The experience is mind-blowing.,
After dancing for a while, we go sit at a table, and talk about how awesome the shirts and the club is, and we wonder how they do it. A club employee happens to hear us and comes over to explain it.
"You were wondering about the shirts? I can help you with that. You probably already know about the piezoelectric dance floor. Well, the shirts are essentially the same. They use piezoelectric fabrics to convert the mechanical motion of .... We were able to do this over a decade, ago, though, so no problem there. The problem was that the crystals were not waterproof, so you would put it in the washing machine, and it would come out just a regular t-shirt. However, due to recent developments in cheap, conductive hydrophobic nanocaotings, related to the nanocoatings on the Magic Sand you may be familiar with, these t-shirts have been made cheap and waterproof.
What we gave you tonight uses its electricity to light itself and to emit sound. It also has a tiny wireless hookup that connects with the club's wireless, and downloads info about the music so that it knows what music to play and so that it flashes on beat. Pretty cool, huh?
"Wow! That's amazing!" We exclaim. "Thanks!"
"No problem. These things should be coming out on the mass market pretty soon. You can charge your small electronics with it. Have fun!"
And with that, he leaves, and we go off to dance the night away.