The best of the rest from the Physics arXiv this week
A new estimate of the amount of energy needed to visit the stars suggests we won't have enough for at least another two centuries
Say goodbye the one-size-fits-all approach to interacting with computers.
Manufacturers continue to push devices capable of recording and displaying three-dimensional images.
Light bulbs that use cathode ray tube technology are on the market.
ProAm collaborations are changing the nature of astronomy; and anybody can take part
The first clear AR glasses for consumers could help make the technology more popular.
Intel focuses on the living room over the server room.
Using a plasma sheath as a giant radio receiver should solve the communication problems that bedevil hypersonic planes and re-entering spacecraft, say Russian scientists.
Facebook's valuation climbs ever higher as a few rich investors get a slice of the blockbuster social network.