Qydzshop Golden Large Unidirectional Flow Fluid Hourglass,Fluid Flow Demonstrator With Beads, 12",7-Level Channel, Anti-Backflow Physics Science Kit, 137.5° Bifurcation Angle Stem Learning Desk Decor
QYDZSHOP
-Unidirectional Flow:Contrasts forward smooth laminar flow with reverse backflow. Forward orientation allows beads to pass with low resistance. Reversal triggers turbulence, instantly demonstrating one-way flow restriction -7 Level Channels:Features seven V-shaped funnel units at a 137.5° angle. This sequence enables effortless forward flow while generating cascading turbulence in reverse, serving as a passive fluid regulation valve -Precision Craftsmanship:High-clarity, anti-static ABS frame offers a fully unobstructed view. Precision-grade beads move smoothly, allowing clear observation without glare or static interference -Passive Zero Wear:Operates via passive fluid dynamics with no moving parts. Maintenance-free and consistent over time, reliably demonstrating flow restriction physics without lubrication -STEM Learning Aid:Ideal for physics lessons on a lab desk. Visualizes diffusion, laminar-to-turbulent transitions, and mass transfer, turning abstract theories into an observable, tactile learning tool
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