The best road to zero-emission vehicles may be with fuel-cell technology. It preserves the advantages of gasoline automobiles, with low upfront costs, long driving range and fast refueling. A new paper offers a strategic roadmap.
The European X-ray Free-Electron Laser (XFEL) facility was built with one objective - to provide pulses of light short enough, bright enough, and of small enough wavelength to observe processes that would otherwise be too fast and/or too infrequent to measure in real-time.
Researchers have developed an innovative optical sensor using a conventional tape since it is a low-cost and flexible material that can be easily acquired at stationery shops and it can detect variations of the optical properties of a liquid when is immersed in such liquid.
It's only a matter of time before drugs are administered via patches with painless microneedles instead of unpleasant injections. But designers need to balance the need for flexible, comfortable-to-wear material with effective microneedle penetration of the skin.
Just like in normal road traffic, crossings are indispensable in optical signal processing. In order to avoid collisions, a clear traffic rule is required. A new method has now been developed by researchers to provide such a rule for light signals.
Researchers have used graphene to make the novelty children's material silly putty (polysilicone) conduct electricity, creating extremely sensitive sensors. This research potentially offers exciting possibilities for applications in new, inexpensive devices and diagnostics in medicine and other sectors.
After decades of eluding researchers because of chemical instability, key metal-oxide clusters have been isolated in water, a significant advance for growing the clusters with the impeccable control over atoms that's required to manufacture small features in electronic circuits.
Battery researchers seeking improved electrode materials have focused on 'tunneled' structures that make it easier for charge-carrying ions to move in and out of the electrode. Now a team has used a special electron microscope with atomic-level resolution to show that certain large ions can hold the tunnels open so that the charge-carrying ions can enter and exit the electrode easily and quickly.