▁and ▁carbon ▁fi ber ▁and ▁have ▁a ▁significant ▁amount ▁of ▁research ▁and ▁development ▁behind ▁them ▁into ▁factors ▁such ▁as ▁rolling ▁resistance ▁and ▁aer od ynam ics . ▁ ▁References ▁ ▁Further ▁reading ▁▁ ▁Brit tain , ▁I . ▁( 2 0 1 6 ). ▁The ▁Par al ym pic ▁Games ▁explained ▁( Second ▁ed .). ▁Ab ing don , ▁Ox on ; ▁New ▁York , ▁NY : ▁Rout ledge . ▁ ▁F li ess - D ou er , ▁O ., ▁Mason , ▁B ., ▁K atz , ▁L . ▁and ▁So , ▁C .- h . ▁R . ▁( 2 0 1 6 ) ▁Sport ▁and ▁technology , ▁in ▁Training ▁and ▁Co aching ▁the ▁Par al ym pic ▁Ath lete : ▁Hand book ▁of ▁Sports ▁Medicine ▁and ▁Science ▁( eds ▁Y . ▁C . ▁Van lande wij ck ▁and ▁W . ▁R . ▁Thompson ), ▁John ▁W iley ▁& ▁S ons , ▁Ltd , ▁Oxford , ▁UK . ▁ ▁Category : Austral ia ▁at ▁the ▁Par al ym p ics <0x0A> </s> ▁In ▁mathematics , ▁a ▁power ▁of ▁two ▁is ▁a ▁number ▁of ▁the ▁form ▁ ▁where ▁ ▁is ▁an ▁integer , ▁that ▁is , ▁the ▁result ▁of ▁exponent iation ▁with ▁number ▁two ▁as ▁the ▁base ▁and ▁integer   ▁as ▁the ▁exponent . ▁ ▁In ▁a ▁context ▁where ▁only ▁integers ▁are ▁considered , ▁ ▁is ▁restricted ▁to ▁non - negative ▁values , ▁so ▁we ▁have ▁ 1 , ▁ 2 , ▁and ▁ 2 ▁multip lied ▁by ▁itself ▁a ▁certain ▁number ▁of