Scientists have been able to attach "backpacks" to dragonflies and now they have safer mini-drones for spying.this relates to engineering because it uses tech. here's the link https://www.livescience.com/57742-genetically-modified-cyborg-dragonflies.html    

http://idkul.com/presentation/flipphone.html This is an invention. the Flip phone is based on a concept conceived during a 6-week long workshop done by my Kristian Ulrich Larsen, Ewa Sendecka, Jeppe...

this relates to engineering because it requires technology. This man is talking about the first 3d printed supercaralso this man https://www.cnbc.com/2017/06/28/kevin-czinger-is-making-a-3d-printed-car-called-the-blade.html  ...