<prompt> I-passage: A new fundamental force might be difficult to test. Isibonelo, amandla adonsela phansi abuthakathaka kangangokuba ukusebenzisana kwamandla adonsela phansi phakathi kwezinto ezimbili kubalulekile kuphela uma enye yazo inesisindo esikhulu. Ngakho-ke, kudinga imishini ebucayi kakhulu ukukala ukusebenzisana kwamandla adonsela phansi phakathi kwezinto ezincane uma kuqhathaniswa noMhlaba. Amandla amasha noma esihlanu ayisisekelo nawo angabuthakathaka futhi ngenxa yalokho kunzima ukuwathola. Noma kunjalo, ngasekupheleni kweminyaka yama-1980 amandla ayisihlanu, asebenza ngezikali zikamasipala okungukuthi anebanga elingamamitha ayi-100, abikwa ngabaphenyi uFischbach et al. ababehlaziya kabusha imiphumela kaLoránd Eötvös ekuqaleni kwekhulu leminyaka. Amandla akholelwa ukuthi axhumene ne-hypercharge. Eminyakeni eminingi, okunye ukuhlolwa kwehlulekile ukuthola lo mphumela.  <response>: imishini ebucayi kakhulu 