QR Code Generator

  Hi, everyone! Today, I'll assign you with a 500-word essay and give you three topics to choose one of them. However, I'm not just going to write the topics. I will put here QR codes which are attached to different videos with different topics. So, you'll be choosing your topic without actually knowing it - It'll be a surprise!-.
  The topics are: Why dressing for success works
                           The first image of a black hole
                           Can wildlife adapt to climate change

   Here are the QR Codes :

 

 

You should download a QR Code Reader. And, here is mine: https://play.google.com/store/apps/details?id=me.scan.android.client&hl=tr

If this is your first time hearing about QR Code, it is a two-dimensional barcode consisting of a black and white pixel pattern which allows to encode up to a few hundred characters. Codes can be attached to websites, videos, images, PDFs, etc. Today, it can be used for many purposes including education.