Why does boiling water have bubbles, except in a microwave?

The article discusses the intriguing phenomenon of boiling water and the absence of bubbles when using a microwave. Normally, bubbles are the first indication that water is reaching its boiling point. However, microwaving water can skip this crucial visual cue, which may lead to misunderstandings about the water's temperature and readiness for cooking. This raises important considerations regarding safety, as superheated water can pose risks of sudden boiling when disturbed. Understanding the science behind these heating methods not only enhances cooking practices but also informs users about potential hazards associated with microwave use.