Avoid “fan fiction” this summer -  Adrian Weckler on the cooling devices that actually work 

With mixed reports on how likely another heatwave might be, now might be the time to invest in the right tech to keep your home cool in summer. Adrian Weckler gives Dee Reddy the lowdown on how to keep the heat down.Plus: As OpenAI’s latest agent goes rogue, we look at how Ireland is bucking the trend with new AI job creation and how and the Papal prayer app committed a cardinal data sin.