The idea of frying an egg using only outdoor heat is a popular urban myth and experimental challenge. While some videos show eggs fully cooked outside, most experts agree that typical ambient temperatures—even in hot cities like New York—rarely reach the necessary 158°F (70°C) to properly cook an egg. Solar power is sometimes used to increase temperature to achieve cooking without conventional heat sources, typically by concentrating sunlight with reflective materials or specialized solar cookers. In dense urban areas, the 'urban heat island effect' causes temperatures to be higher than surrounding rural areas due to concrete, asphalt, and human activities retaining and radiating heat. On extremely hot days in summer, pavement and other surfaces can reach temperatures above 120°F (49°C), but this is still often insufficient to fully fry an egg directly on these surfaces. Scientific tests indicate that leaving an egg on these hot surfaces for an hour or more may cause partial cooking or change of texture. However, achieving a fully cooked fried egg requires consistent heat near or above the egg’s coagulation point. Experiments using black pans or surfaces heated by the sun for extended periods may increase temperatures enough to cook eggs, but the process is slow and indirect. Safety is also a concern when attempting to cook food outdoors by unconventional means, as uneven heating can cause food safety risks. For those interested in solar cooking, using a solar oven or reflector helps amplify the heat safely and efficiently. In conclusion, while New York City heat combined with solar power may help partially cook an egg, fully frying an egg outdoors requires specialized setups or extreme conditions rarely met in urban environments. This fascinating intersection of urban meteorology and solar cooking continues to invite curiosity and experimentation.