Have you noticed every restaurant in your neighborhood piecing together whatever kind of makeshift outdoor patio the city will allow? Have you been checking out all the delighted people cruising around on their bikes? Have you made at least one trip to the Tastee Freez? Believe it or not, that yellowish bulb floating above your head is the sun, and it emanates heat. With the summer solstice merely a month away, it’s high time you started opening your windows. But what if some dolt foolishly painted them shut, preventing you from enjoying the sweet, sweet Chicago breeze? Well, here’s one way to fix it (h/t to the Angry Carpenter).