Graphene wave guide and splitter. Credit: Nader Engheta and Ashkan Vakil; Univ. of Penn.
Penn engineers: Two-dimensional graphene metamaterials and one-atom-thick optical devices
Why investing in energy storage is risky business
Coal or nuclear? Risk vs. reward
Supply shortage of zircon to continue; further price rises unsustainable
Polyhedral oligomeric silsesquioxanes nanocage for nanomedicine
