Start-ups Point2 and AttoTude plan to use terahertz radio frequencies for communication between servers instead of copper or optical connections — radio-based interconnections offer 1.6 TB/s using half the volume of copper | Consumes 1/3 the power of optical, but costs 1/3 more than optical
From data center spas to servers in space: How the energy crunch is reshaping cloud computing
Europe's cloud challenge: Building an Airbus for the digital age
