: American ▁people ▁of ▁Palest in ian ▁descent ▁Category : Pe ople ▁from ▁Naz are th ▁Category : Pe ople ▁from ▁Washington , ▁D . C . ▁Category : Pal est in ian ▁Christians <0x0A> </s> ▁A ▁syn ch ro cy cl ot ron ▁is ▁a ▁special ▁type ▁of ▁cycl ot ron , ▁pat ented ▁by ▁Ed win ▁Mc Mill an , ▁in ▁which ▁the ▁frequency ▁of ▁the ▁driving ▁R F ▁electric ▁field ▁is ▁varied ▁to ▁compens ate ▁for ▁relativ istic ▁effects ▁as ▁the ▁particles ' ▁velocity ▁begins ▁to ▁approach ▁the ▁speed ▁of ▁light . ▁This ▁is ▁in ▁contrast ▁to ▁the ▁classical ▁cycl ot ron , ▁where ▁this ▁frequency ▁is ▁constant . ▁ ▁There ▁are ▁two ▁major ▁differences ▁between ▁the ▁syn ch ro cy cl ot ron ▁and ▁the ▁classical ▁cycl ot ron . ▁In ▁the ▁syn ch ro cy cl ot ron , ▁only ▁one ▁de e ▁( h ollow ▁" D " - sh aped ▁sheet ▁metal ▁electro de ) ▁retain s ▁its ▁classical ▁shape , ▁while ▁the ▁other ▁pole ▁is ▁open ▁( see ▁pat ent ▁sketch ). ▁Furthermore , ▁the ▁frequency ▁of ▁oscill ating ▁electric ▁field ▁in ▁a ▁syn ch ro cy cl ot ron ▁is ▁decre asing ▁continu ously ▁instead ▁of ▁kept ▁constant ▁so ▁as ▁to ▁maintain ▁cycl ot ron ▁reson ance ▁for ▁relativ istic ▁veloc ities . ▁One ▁terminal ▁of ▁the ▁oscill ating ▁electric ▁potential ▁varying ▁period ically ▁is ▁applied ▁to ▁the ▁de e ▁and ▁the ▁other ▁terminal ▁is ▁on ▁ground ▁potential . ▁The ▁pro tons ▁or ▁de