Project Y
... that Project Y designed an atomic bomb that used explosive lenses to focus an explosion onto a sphere?
... that <b id="mwAaU"><a href="./Project_Y" id="mwAaY" rel="mw:WikiLink" title="Project Y">Project Y</a></b> designed an atomic bomb that used <a href="./Explosive_lens" id="mwAac" rel="mw:WikiLink" title="Explosive lens">explosive lenses</a> <i id="mwAag">(illustration pictured)</i> to focus an explosion onto a sphere?