2020 will see a veritable Mars invasion as several spacecraft, including three landers, head to the red planet.
Mega-collider dreams
CERN hopes to secure funding for a future mega-collider in 2020. [-][-] CERN’s proposal includes a menu of options for a future collider. The lab hopes to build a 100-kilometre machine that could be up to six times as powerful as the Large Hadron Collider and cost up to €21 billion (US$23.4 billion).
Solid energy
Companies large and small plan to start selling solar cells that use perovskites, promising materials that could be cheaper and easier to produce than the silicon crystals used in conventional solar panels.