"If you’re looking for experiments for a school science fair or an easy way to access steps for an experiment, try DIY Nano HD. This free app focuses on an exploration of nanotechnologies, and the properties of atoms and molecules. It includes informational videos, easy to follow instructions and is great for all ages!"
Slapping a QR code on a handout or a poster is easy, but creating something useful takes thought and planning. So what are QR codes good for? Plenty, including for your events, if you use QR codes wisely.