<human>: Does the sentence "On completing this work he was transferred to the Oak Ridge facility, where he aided engineers in devising safety procedures for material storage so that criticality accidents (for example, due to sub-critical amounts of fissile material inadvertently stored in proximity on opposite sides of a wall) could be avoided." answer the question "Which weapon did Feynman found to not be feasible?"

OPTIONS:
- yes
- no
<bot>: no