edit I am an idiot, who uploaded the image link as the URL. The original source should now be accessible
RMIT engineers say they've tripled the energy density of cheap, rechargeable, recyclable proton flow batteries, which can now challenge commercially available lithium-ion batteries for capacity with a specific energy density of 245 Wh/kg.
I used to have a Samsung Galaxy S6, I rooted it so I could remove the facebook app... turned out they built a custom circuit in a little chip that permanently breaks NFC if you rooted it. Ridiculous.