From a scientific conference by and for AI to AR glasses at the price of a smartphone, check out this week's awesome tech stories from around the web.

Space These Tiny Aircraft Are Powered Entirely by the Sun’s Heat The featherlight devices are smaller than a dime and need no solar panels, propellers, or engines to move.

Energy Google Will Store Energy in Giant Domes Filled With CO2 Energy stored in liquid CO2 is converted back into gas to turn turbines on demand.