Inventions

Nimo smart glasses are like a PC for your eyes
High schoolers create $1 filter to remove lead in water
Swiss scientists are making jet fuel from sunlight and air 
What is 3G and why is it being shut down? An electrical engineer explains
Hugging a cushion that “breathes” can reduce anxiety
Sonic waves could help bones grow back after cancer 
MIT invents $4 solar desalination device
New synthetic tooth enamel is stronger than the natural kind
Shape-shifting material morphs robot from driving to flying
Bionic pacemaker causes heart to beat irregularly — on purpose