Nuclear fusion was initially pursued only in theoretical stages during World War II, when scientists on the Manhattan Project (led by Edward Teller) investigated it as a method to build a bomb.
Fusi nuklir witnyane kamargiang wantah ring paletan teoretis salami perang dunia II, rikalaning para ilmuwan ring Proyek Manhattam  (kapucukin olih Edward Teller) nyelehin pinaka sarana anggen makarya bom.