Energy and materials
Generating, storing, and converting energy demands both physical understanding and workable devices.
33 problemsCollections
Selected problems that share a subject or a research tradition. Each leads to its own overview and sources.
Within Engineering · All collections
Neural interfaces
Long-lived implants, movement with sensory feedback, and speech communication through brain signals.
3 problemsWater and waste
Harvesting freshwater, preserving salt barriers, destroying persistent chemicals, and sorting layered plastics.
4 problemsHydrogen production
Seawater-fed systems, low-iridium catalysts and polymer-bound electrodes face different durability tests.
3 problemsElectronics and photonics
Lasers, clocks, analog circuits and devices for moving quantum information through optical networks.
7 problemsHeat and energy
Moving, storing and controlling heat, from cooling drives to hypersonic heat shields.
5 problemsInformation and coding
The capacity and reliability of communication through noise, deletions and networks.
5 problemsBiomedical engineering
Measuring molecules, preserving organs and building devices that restore or track bodily function.
12 problemsSpaceflight
Propellant, plasma devices and heat shields for sustained spaceflight.
4 problems