stylised_atom_with_three_bohr_model_orbits_and_stylised_nucleus_white_backgroundIn a report for Science, Wayt Gibbs tells how physicists in New Mexico are ramping up their ability to produce a big bang. These scientists aren’t making a bomb, though. They’re developing reactors to produce fusion energy. It’s promising, but not without risks, Wayt reports. Follow @WaytGibbs. image: JohannesSchneider