Moire Fringes (Wall-Mounted)
★Exhibit Content: Moiré patterns (Moiré fringes), visual interference, geometric optics ★Interaction: Electromechanical interaction ★Operation: Visitors press a button to start the rotatable fringe discs in the exhibit, observe the changes in the interference pattern produced by two superimposed patterns, intuitively experience the visual effects caused by slight rotation/displacement, and explore the scientific principle of Moiré patterns. ★Exhibit Description: This exhibit is a wall-mounted interactive science exhibit, consisting of two sets of rotatable superimposed fringe discs (spiral and checkerboard patterns), a mechanical rotation mechanism, and a display frame. It is a recommended exhibit from the PopsciCat Exhibit Store. Based on the optical principle of Moiré patterns, the exhibit superimposes two identical/similar periodic patterns. When one set of patterns undergoes slight rotation or displacement, a distinct interference pattern is produced, and small angular/positional changes cause dramatic visual changes in the interference pattern. By rotating the fringe discs, visitors can intuitively observe the visual effect from static patterns to dynamic interference fringes, experience the magical visual phenomenon of Moiré patterns, and understand the interference principle in geometric optics. ★Scientific Principle: Moiré patterns (Moiré fringes) are a geometric optical interference phenomenon. When two sets of grating patterns (lines, grids, etc.) with the same or similar period are superimposed, if the two sets of patterns undergo relative rotation or displacement, a new periodic interference pattern (Moiré pattern) is produced. Because the period difference between the two sets of patterns is amplified, slight rotation or displacement causes large visible changes in the interference pattern. This effect is widely used in precision measurement, optical sensing, and other fields. The human eye perceives the brightness and line changes of the pattern, intuitively capturing the visual effect of Moiré patterns and understanding the scientific essence of optical interference.
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- 0.8×0.2×0.6 0.8×0.2×0.6Dimensions (unit: m): 0.8×0.2×0.6 Brand: PopsciCat Model: PopsciCat-optics-131 1. Materials ① Outer frame: 2mm cold-rolled steel skeleton, 2.0mm cold-rolled steel panels, surface baked paint, anti-corrosion, anti-rust, wear-resistant and scratch-resistant ② Display panel: high-transparency acrylic protective panel + high-definition UV-printed Moiré pattern (spiral and checkerboard dual patterns) ③ Instruction plate, graphic panel: 5mm acrylic UV inkjet printing ④ Fringe discs: high-transparency acrylic discs, 1:1 reproduction of periodic grating patterns, good light transmission, wear-resistant and scratch-resistant 2. Main Configuration ① Rotation transmission mechanism: stainless steel bearings + HFPANDA electric rotation structure, mechanical life ≥ 1 million cycles, smooth rotation without jamming ② Protective panel: high-transparency acrylic protective layer, scratch-resistant and impact-resistant, protects the fringe discs from damage ③ Electronic control: electrical logic control system, equipped with Inertia® K1 PLC controller with protection specially for science exhibits, supports speed adjustment ④ Sensor: Wenzhou Huoyanjinjing encoder, precisely controls the rotation of the fringe discs 3. Installation Requirements ① Power requirement: AC100-240V, 50/60Hz 100W, standard three-wire socket ② Installation base: finished product, wall-mounted ③ Entry passage: door frame dimensions (width × height) ≧ 0.9m × 0.7m, continuous turning interval in passage ≧ 1.5m ④ Maintenance access: not required
★Exhibit Content: Moiré patterns (Moiré fringes), visual interference, geometric optics ★Interaction: Electromechanical interaction ★Operation: Visitors press a button to start the rotatable fringe discs in the exhibit, observe the changes in the interference pattern produced by two superimposed patterns, intuitively experience the visual effects caused by slight rotation/displacement, and explore the scientific principle of Moiré patterns. ★Exhibit Description: This exhibit is a wall-mounted interactive science exhibit, consisting of two sets of rotatable superimposed fringe discs (spiral and checkerboard patterns), a mechanical rotation mechanism, and a display frame. It is a recommended exhibit from the PopsciCat Exhibit Store. Based on the optical principle of Moiré patterns, the exhibit superimposes two identical/similar periodic patterns. When one set of patterns undergoes slight rotation or displacement, a distinct interference pattern is produced, and small angular/positional changes cause dramatic visual changes in the interference pattern. By rotating the fringe discs, visitors can intuitively observe the visual effect from static patterns to dynamic interference fringes, experience the magical visual phenomenon of Moiré patterns, and understand the interference principle in geometric optics. ★Scientific Principle: Moiré patterns (Moiré fringes) are a geometric optical interference phenomenon. When two sets of grating patterns (lines, grids, etc.) with the same or similar period are superimposed, if the two sets of patterns undergo relative rotation or displacement, a new periodic interference pattern (Moiré pattern) is produced. Because the period difference between the two sets of patterns is amplified, slight rotation or displacement causes large visible changes in the interference pattern. This effect is widely used in precision measurement, optical sensing, and other fields. The human eye perceives the brightness and line changes of the pattern, intuitively capturing the visual effect of Moiré patterns and understanding the scientific essence of optical interference.
Review
Principle Display: ★★★ Interaction Effect: ★★★ Ease of Installation: ★★★★ Durability: ★★★★ Overall Rating: ★★★