▁the ▁temper atures ▁on ▁both ▁sides ▁of ▁a ▁therm ally ▁open ▁boundary ▁are ▁equal . ▁At ▁equilibrium , ▁only ▁a ▁therm ally ▁isol ating ▁boundary ▁can ▁support ▁a ▁temperature ▁difference . ▁ ▁See ▁also ▁ ▁Cl osed ▁system ▁ ▁Dynam ical ▁system ▁ ▁Mechan ically ▁isolated ▁system ▁ ▁Open ▁system ▁ ▁Th erm od ynamic ▁system ▁ ▁Is ol ated ▁system ▁ ▁References ▁ ▁Category : Th erm od ynam ics ▁Category : Phys ical ▁systems <0x0A> </s> ▁__ NOT OC __ ▁Ben ▁Lewis ▁is ▁a ▁writer ▁for ▁theatre , ▁radio ▁and ▁television , ▁theatre ▁director ▁and ▁perform er , ▁who ▁trained ▁at ▁L AM DA . ▁ ▁He ▁co - created ▁and ▁directed ▁My ▁Name ▁Is ▁Sue ▁( S oh o ▁Theatre / t our ing , ▁Total ▁Theatre ▁Award ▁ 2 0 0 9 ) ▁and ▁The ▁Village ▁Social ▁( 2 0 1 1 ) ▁with ▁D af y dd ▁James . ▁Ben ▁has ▁also ▁written ▁two ▁plays ▁for ▁BBC ▁Radio ▁ 4 : ▁Blue ▁Sky ▁Th inking ▁( 9 ▁September ▁ 2 0 0 8 ) ▁and ▁T iny ▁( 1 7 ▁September ▁ 2 0 1 0 ). ▁ ▁He ▁is ▁co - Art istic ▁Director ▁of ▁Ins pect or ▁S ands , ▁and ▁co - created ▁its ▁shows , ▁If ▁That ' s ▁All ▁There ▁Is ▁( Ed inburgh ▁International ▁Festival ▁Fr inge ▁Award ▁ 2 0 0 9 ) ▁and ▁H yst eria ▁( Total ▁Theatre ▁Award ▁ 2 0 0 6 ), ▁which ▁have ▁tou red