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Click to copyU+1F9EAThe test tube emoji (🧪) depicts a slender glass container often found in laboratories, brimming with vibrant liquids that spark curiosity and intrigue. It primarily symbolizes scientific experimentation, research, and chemistry, making it a favorite among students and professionals in these fields. Frequently used to share discoveries or to represent a “mad scientist” vibe, it can highlight anything from exciting lab work to playful chemistry-themed events. Fun fact: the test tube has inspired many DIY science experiments—mixing household items can create mesmerizing reactions right at home! The emoji version is 11, released in 2018.