
On Feb. 18, the world will be watching as NASA’s Perseverance rover makes its final descent into Jezero Crater on the surface of Mars.
On Feb. 18, the world will be watching as NASA’s Perseverance rover makes its final descent into Jezero Crater on the surface of Mars.
A better way of welding targets for 91’s plutonium-238 production has sped up the process and improved consistency and efficiency.
“I’ve always been drawn to nuclear,” Smith said. “It has zero emissions. It’s such a readily renewable resource.”