Description
Transverse and longitudinal sections of this 3D dicot stem expose epidermis
verifying the Boolean disjunction operation by direct observation
the largest value in the demonstrator line for slow RC charging and high-energy capacitor-discharge work
this low-current 2mA buzzer on a demonstration base sounds whenever current flows through the closed circuit
Bar Breaking Thermal Expansion and Contraction Apparatus Light & Optics_Color Transverse and longitudinal sections ofTensioned steel rod in a heavy iron frame breaks a brittle iron cross rod as cooling contraction pulls it taut, visualizing the forces at play during thermal contraction.
Exchange/Return Notes
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