Pinpointing the Rhythm of Tiny Plastics
An innovative interactive science station that transforms invisible microplastics research into an engaging, multi-sensory public experience through sound, touch, and visual data exploration.
Transforming Research into Discovery
This interactive station revolutionizes how the public engages with microplastics research in the Great Lakes. Visitors become "DJs" who touch physical plastic samples to hear their unique molecular signatures translated into sound while simultaneously viewing authentic Raman spectroscopy data on screen. This isn't simplified science, it's a direct sensory translation of the actual measurements that research teams use to detect invisible contamination.
The station demonstrates the complete research journey from field sampling aboard vessels to laboratory analysis, including critical bioaccumulation studies with aquatic organisms. By honoring science while creating joyful discovery-based experiences, this model proves that effective public engagement doesn't require dumbing down complex research, it requires thoughtful translation and facilitation that supports exploration rather than instruction.
Target Audiences
- Families with children (ages 8+)
- Environmental science enthusiasts
- Students and educators
- Great Lakes community members
- Policy makers and stakeholders
The Scientific Foundation: Making the Invisible Tangible
Research Context
Microplastics and nanoplastics contaminate the Great Lakes ecosystem but remain invisible to the naked eye. These particles, some as small as 300 nanometers—pervade water, accumulate in small organisms like daphnia, and biomagnify through fish populations. Scientists employ Raman spectroscopy to detect and identify these particles by analyzing their unique molecular vibration patterns.
Each plastic type creates a distinct "fingerprint" when exposed to laser light, polyethylene terephthalate (PET) vibrates differently than polypropylene (PP), which differs from polyethylene (PE) and polystyrene (PS). These spectral peaks, measured in wavenumbers (cm⁻¹), reveal the molecular identity of contamination that would otherwise remain hidden.
Translation Strategy
Rather than simplifying complex science, this station translates it across sensory modalities. The spectral peaks that scientists analyze are converted to audible frequencies (Hz), allowing visitors to hear the actual data that informs research conclusions. This isn't an analogy or metaphor—it's a direct sensory translation of real measurements collected from Great Lakes water samples.
This approach demonstrates that authentic scientific methodology can be accessible without sacrificing accuracy. Visitors engage with the same molecular signatures that research teams use, creating a profound connection between public experience and scientific practice.
The Visitor Experience: Discovery Through Interaction
01
Touch & Connect
Visitor touches a physical plastic sample (PET, PE, PP, or PS) triggering the Makey Makey digital interface
02
Visual Display
Screen displays the authentic Raman spectrum for that specific plastic type with labeled peaks
03
Sonic Translation
Audio system plays tones corresponding to spectral peaks, the actual molecular vibration frequencies
04
Creative Mixing
Visitor can combine up to 4 plastics simultaneously, hearing how signatures overlap, just like in real environmental samples
05
Research Journey
Journey markers along wires show the complete process from lake sampling to laboratory analysis
Discovery-Based Learning Philosophy
This station inverts traditional science communication. Visitors explore first, then read explanatory signage if they choose. There's no "correct" way to interact—social learning emerges naturally as groups discuss patterns they discover. Facilitators ask open-ended questions rather than delivering lectures, honoring visitor agency and curiosity. Multiple entry points ensure accessibility: visual learners engage with on-screen spectra, auditory learners focus on sonic patterns, kinesthetic learners appreciate tactile samples, and social learners thrive through collaborative discussion. This multiplicity creates an inclusive experience where diverse visitors find their own pathway to understanding.
Technical Specifications: Building Your Station
Display System
- Large monitor 32" minimum (42"+ recommended)
- HDMI connection to computer
- Positioned at table back, visible from 6-8 feet
- Adjustable angle to minimize glare
Audio System
- Computer speakers or small PA
- Volume adjustable for ambient noise
- Bluetooth option for easier setup
- Test in actual environment
Makey Makey Interface
- Makey Makey Classic board
- USB connection to computer
- Alligator clips to plastic samples
- Ground wire accessible to visitors
Physical Samples
- 4 distinct plastics (PET, PE, PP, PS)
- Size: 2-3 inches, easily graspable
- Secured to prevent wire tangling
- Labeled with plastic type
- Conductive for detection
Table & Setup
- Sturdy table, 6-8 feet long
- Standing height (36-42")
- Cable management for safety
- Power strip with surge protection
- Space for 4 simultaneous users
Software
- Browser-based application
- Displays Raman spectra
- Maps keyboard to plastic types
- Web Audio API generation
- No installation required
Authentic Spectral Data Sources
Physical Signage System: Designing for Discovery
1
Main Station Sign (36" x 24")
Purpose: Primary attraction and instruction
Content: Title "Pinpointing the Rhythm of Tiny Plastics" | Subtitle about becoming a DJ and discovering Great Lakes research | How to Play (3 steps) | The Science explanation | Up to 4 players note
Design: High contrast white text on dark blue/purple gradient | Large fonts readable from 10 feet | Weather-resistant lamination | Mounted on foam board or stand
2
Plastic Sample Labels (10" x 8" each, 4 total)
Purpose: Identify each plastic and real-world sources
Content Each: Plastic abbreviation and full name | Icon representation | Found in: Expanded use cases | Spectral signature peaks | Contamination level (HIGH/MODERATE with context) | "Touch me to play!" instruction
Design: Color-coded by type—PET: Red, PE: Teal, PP: Blue, PS: Green | Laminated for durability | Attached near physical samples
3
Research Journey Steps (11" x 17" each, 5 total)
Purpose: Show complete research process from field to analysis
Steps: Sample Collection (Blue) → Filtration & Concentration (Purple) → Bioaccumulation Studies (Green) → Raman Spectroscopy (Indigo) → Sound Translation (Orange with "YOU ARE HERE!")
Design: Sequential with arrows between steps | Can be continuous banner or individual signs | Positioned along wire paths or as backdrop
4
Water Bottle Markers (4" x 6" each, 5 total)
Purpose: Show transformation from lake sample to detected plastics, including bioaccumulation
Bottles: Lake Michigan Sample (Blue, 1L raw water) → Concentrated Sample (Purple, 0.001mm filtered) → Daphnia Control (Green) → Daphnia + PET Microplastics (Red, 10μm) → Daphnia + PP Nanoplastics (Dark Blue, 0.5μm NANO!)
Design: Waterproof label paper | Attached to clear bottles | Sequential arrangement | Water droplet icons for samples 1-2, shrimp icons for samples 3-5
Portal to the Public Principles
Scientific Authenticity
Real Raman spectroscopy data, not simplified versions. Actual research methods demonstrated through genuine scientific questions connected to ongoing Great Lakes investigations.
Multiple Entry Points
Visual (spectra on screen), Auditory (sound translation), Tactile (physical samples), Social (collaborative mixing), Cognitive (reading journey markers), ensuring all visitors find their pathway.
Agency Over Instruction
Visitors control their own experience with no "correct" way to interact. Discovery-based approach means facilitators guide rather than lecture, honoring visitor autonomy.
Research Journey Visibility
Complete process shown from field to lab, not just results. Complexity honored without overwhelming, representing scientists' actual work and connecting field sampling to analysis.
Embedded Assessment
Observation protocols integrated into natural facilitation. Documentation happens organically, not through intrusive surveys. Dual-purpose design serves both engagement and evaluation.
Learning Objectives
Knowledge: Different plastics have unique molecular signatures | Raman spectroscopy as detection method | Research process from field to analysis | Bioaccumulation in aquatic organisms
Skills: Pattern recognition across sensory modalities | Connecting everyday objects to environmental contamination | Asking scientifically-oriented questions | Interpreting visual data
Attitudes: Appreciation for research complexity | Value for scientific evidence | Interest in continued Great Lakes learning | Sense of agency in addressing pollution
Facilitation Approach: Guiding Discovery
The Facilitator Role: Discovery Guides, Not Teachers
Welcoming
Greet visitors warmly with simple invitation: "Want to become a DJ and discover microplastics?" Step back after initial greeting, allowing exploration.
Observing
Watch for engagement patterns and "aha moments." Note dwell time and questions asked. Document reactions. Identify when to step in versus hang back.
Questioning
Ask open-ended questions that prompt thinking: "What do you notice?" "Why different sounds?" "Where seen these plastics?" Connect discoveries to research journey.
Documenting
Take observation notes using provided protocol. Capture quotes with permission. Track visitor numbers and demographics. Photograph/video with consent.
Key Facilitation Questions by Phase
Discovery Phase
- "Hmm, interesting choice! Why that one first?"
- "What do you think will happen if you touch two at once?"
- "What patterns do you see on the screen?"
Connection Phase
- "The peaks you see are real molecular vibrations. Why might scientists care?"
- "How do you think these plastics end up in the lakes?"
- "Look at the research journey—which step seems hardest?"
Reflection Phase
- "What will you tell someone about this?"
- "Did anything surprise you?"
- "What questions do you still have?"
Dual-Purpose Design: Engagement Meets Assessment
The Innovation
Traditional public engagement separates activities (serving participants) from evaluation (serving researchers), creating double work and participant burden. This station integrates both from the start—every element serves participants through joyful discovery and simultaneously generates assessment data through natural observation.
This isn't evaluation added as an afterthought. It's dual-purpose design where the activity itself produces rich qualitative and quantitative data about engagement, learning, and attitude shifts without any additional burden on visitors.
Engagement Indicators
- Dwell time (2+ minutes = engaged)
- Return visits and bringing others
- Questions asked spontaneously
- Social interactions teaching peers
- Reading supplementary signage
Learning Indicators
- Comments showing understanding
- Ability to explain to others
- Making connections (sources to lakes)
- Asking deeper questions
- Using scientific terms correctly
Attitude Indicators
- Expressions of surprise or delight
- Comments about changed perspectives
- Interest in follow-up information
- Photography (wanting to remember/share)
Observation Protocol
Facilitators document using small notebooks or phones: Quantitative (time, visitor count, demographics, dwell time), Qualitative (quotes, observed moments, questions, body language), Turning Points ("aha moments" when understanding shifts), and Challenges (technical issues, confusions, suggestions). Documentation tools include consent forms for photos/videos, visitor count clickers, and provided observation templates.
Implementation & Impact: Your Journey Starts Here
1
4 Weeks Before
Finalize signage designs and send to print vendor. Order Makey Makey kit and source plastic samples. Recruit and schedule facilitator training. Confirm event logistics and test equipment.
2
2 Weeks Before
Pick up printed signage and laminate all pieces. Assemble prototype and wire Makey Makey. Conduct 2-hour facilitator training. Prepare promotional materials and communications.
3
Event Day
Arrive 2 hours early for setup. Engage visitors warmly with discovery-based facilitation. Document observations continuously. Handle technical issues promptly. Conduct immediate team debrief.
4
Post-Event
Within 1 week: Compile documentation and organize media. Within 1 month: Complete comprehensive analysis, refine materials, create case study, and share with Portal to the Public network.
Expected Outcomes Across Stakeholders
For Public Participants
Immediate: Fun, engaging hands-on experience with scientific data
Short-term: Increased environmental science interest and changed perspectives on plastic use
Long-term: Sustained science curiosity, support for environmental research, potential behavior change
For Research Teams
Immediate: Successful public engagement event with documented effective practices
Short-term: Assessment data on public understanding, refined communication strategies
Long-term: Replicable model for future engagement, publications on methodology, enhanced research impact
Budget Considerations
Total Initial Investment: $845-1,560 covering technology (Makey Makey, monitor, speakers), signage and materials, physical components, and training documentation.
Per-Event Costs: $35-75 for replacement supplies and printing.
Cost per Visitor at Scale: With 5 events reaching 250 people each = $0.68-1.25/person. With 10 events = $0.34-0.62/person.
Replication Support Available
All signage templates, technical specifications, facilitator training materials, observation protocols, and assessment frameworks are openly shared. Contact STEMsaic Research Impacts at partner@STEMsaic.com for consultation, training workshops, or network connection.
Join the Growing Network
This station design represents a creative model for public engagement with science, one that honors science while creating joyful, discovery-based experiences. By implementing this station, you become part of a community of researchers reimagining how we connect with the public. Document generously. Share openly. Ask for help. Offer support. The goal isn't perfection, it's continuous improvement through collaboration. We're glad you're here.