How DARPA plans to get nuclear power in the size of ‘AA battery’

https://breakingdefense.com/2026/07/how-darpa-plans-to-get-nuclear-power-in-the-size-of-aa-battery/">https://breakingdefense.com/wp-content/uploads/sites/13/2026/07/260724_rads_to_watts_DARPA-1024x576.png" style="height: auto!important;" width="1024" />

Seven teams are competing as part of DARPA’s Rads to Watts program to create a new kind of miniature power cell that last for years or decades without recharging.