window.fbAsyncInit = function() { FB.init({appId: “”, status: true, cookie: true, xfbml: true}); }; (function() { var e = document.createElement(“script”); e.async = true; e.src = document.location.protocol + “//connect.facebook.net/en_US/all.js”; document.getElementById(“fb-root”).appendChild(e); }()); Question by Bella: What are engineering challenges to develop solar energy for comfort/home uses? What are engineering challenges to develop solar energy for comfort/home uses? Best … Continue reading