Innovation
What we're reading: drill-free dentistry
Drill-free cavities; rewritable printing; carbon credits hacked; hospital of the future; lithium-ion battery life.
![nusca-techonomy2013-640x465.jpg](https://www.zdnet.com/a/img/resize/52a64e267d32d4f162587ff80ba156c09d021b17/2013/01/22/87a6db64-1175-11e4-9732-00505685119a/nusca-techonomy2013-640x465.jpg?auto=webp&fit=crop&frame=1&height=192&width=192)
1.) With hydrochloric acid, a drill-free way to fix tooth cavities.
2.) The PrePeat eco-printer uses rewritable paper to erase and reuse documents.
3.) Hackers used a phishing attack to steal and resell corporations' carbon credits.
4.) The hospital of the future: composted, reusable, solar-powered, off-grid, electronic, recycled.
5.) A Japanese company has devised a way to increase the life of lithium-ion batteries.
This post was originally published on Smartplanet.com