A Battery You Can See Through
Transparent batteries could lead to designs for cell phones and other gadgets.
Materials
A Light Switch for Bacterial Infections
A new contrast agent could detect bacteria on medical implants, and help doctors decide how to treat infection.
Pure Nanotubes by the Kilo
An improved production process could make electrical transmission lines far more efficient.
Tattoo Tracks Sodium and Glucose via an iPhone
Need to track your blood oxygen levels? There may soon be an app for that.
Tomorrow's Transistor, Built Atom by Atom
A more precise manufacturing method will help as electronics shrink ever smaller.
Solar Cells that See Red
Metamaterials that convert lower-energy photons to usable wavelengths could offer solar cells an efficiency boost.
Making Speedy Memory Chips Reliable
IBM believes a new way of encoding the bits in phase-change memory will make it reliable enough for use in servers.
A Practical Way to Make Invisibility Cloaks
With a new printing technique, researchers can now make enough metamaterials to begin fabricating invisibility cloaks and superlenses.
Speedier Cell Phone Circuitry
IBM has shown graphene could replace other materials in circuits that handle wireless signals.
An Ultra-High-Definition 3-D TV
New electronics enable a jump in performance in a prototype display made by Samsung.
