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A smiling man in a lab coat and safety goggles demonstrates a liquid nitrogen experiment at a Maker Lab Kids booth, surrounded by vapor and onlookers.

A smiling man in a lab coat and safety goggles demonstrates a liquid nitrogen experiment at a Maker Lab Kids booth, surrounded by vapor and onlookers.

Photorealistic trade-show booth photograph during a liquid-nitrogen demonstration. 10x10 maker STEM booth at a teacher conference, captured mid-show. Vapor plume of condensing water rises from a small unsilvered glass dewar of liquid nitrogen on a 2x2 foot demo table at the front-left corner of the booth. The demonstrator, wearing cryogenic gloves and safety glasses, has just dropped a frozen cheese puff into a tiny paper cup. To the right on the same table, a small superconductor demonstration: a black ceramic pellet sits in a pool of liquid nitrogen vapor with a rare-earth magnet levitating one centimeter above it (Meissner effect). A small crowd of 6-8 educators leans in, watching. Overhead, a fan-inflated parachute canopy is visible in bright colors. Back wall prominently displays a large horizontal white banner reading "MAKER LAB KIDS" in bold playful sans-serif at the very top, with a cheerful mascot/logo and tagline "hands-on STEM workshops". Below the banner: felt-mounted circuits and rocket launcher display. Natural warm exhibit-hall lighting, shallow depth of field focused on the dewar and vapor, 50mm lens photography, slight motion blur in the vapor. Ambient curiosity. Ver mais