▁that ▁could ▁explore ▁space ▁more ▁efficiently ▁than ▁a ▁man ned ▁craft ▁could . ▁He ▁attributed ▁the ▁general ▁idea ▁to ▁John ▁von ▁Ne umann , ▁based ▁on ▁a ▁lecture ▁von ▁Ne umann ▁gave ▁in ▁ 1 9 4 8 ▁titled ▁The ▁General ▁and ▁Log ical ▁Theory ▁of ▁Autom ata . ▁D ys on ▁expanded ▁on ▁von ▁Ne umann ' s ▁autom ata ▁theories ▁and ▁added ▁a ▁bi ological ▁component . ▁ ▁Project s ▁D ys on ▁collabor ated ▁on ▁ ▁L ump ers ▁and ▁split ters ▁ ▁D ys on ▁suggested ▁that ▁philosoph ers ▁can ▁be ▁broad ly , ▁if ▁simpl ist ically , ▁divided ▁into ▁l ump ers ▁and ▁split ters . ▁These ▁roughly ▁correspond ▁to ▁Pl aton ists , ▁who ▁regard ▁the ▁world ▁as ▁made ▁up ▁of ▁ideas , ▁and ▁material ists , ▁who ▁imagine ▁it ▁divided ▁into ▁atoms . ▁ ▁View s ▁ ▁Cl imate ▁change ▁ ▁D ys on ▁agreed ▁that ▁techn ically ▁humans ▁and ▁additional ▁Co 2 ▁em issions ▁contribute ▁to ▁war ming , ▁however , ▁he ▁felt ▁that ▁any ▁such ▁contribution ▁was ▁minor ▁relative ▁to ▁natural ▁effects ▁and ▁that ▁the ▁benefits ▁of ▁additional ▁Co 2 ▁out we ighed ▁any ▁associated ▁negative ▁effects . ▁https :// www . youtube . com / watch ? v = B Q H h D x R u T k I ▁ ▁He ▁said ▁that ▁in ▁many ▁ways ▁increased ▁atmos pher ic ▁carbon ▁dio x ide ▁is ▁benef icial , ▁and ▁that ▁it ▁is ▁increasing ▁bi ological ▁growth , ▁agricult ural ▁yields ▁and