List of Experiments

List of Prefixes

Chapter Title	Code Prefix
Mechanics & Motion	MECH
Sound & Waves	WAVE
Light, Optics & Vision	OPTI
Heat & Thermodynamics	HEAT
Fluid Dynamics	FLUID
Electromagnetism	EMAG
Radioactivity	NUCL
Modern Physics & Constants	MODP
Astronomy	ASTR
Chemistry	CHEM
Biology	BIO
Biophysics	BIOP
Environmental Physics	ENVP
Information & Signal Physics	INFO

Mechanics & Motion

Free Fall & Acceleration

MECH-01 Measuring Acceleration with Free Fall
MECH-02 Measuring Gravitational Acceleration with Video and Multiflash Photography
MECH-03 Inclined Plane
MECH-04 Jumping, Walking, Running, and Biking Acceleration
MECH-05 Acceleration in Elevators and Airplanes

Pendulums, Oscillations & Springs

MECH-06 Pendulum Period and Simple Harmonic Motion
MECH-07 Mass-Spring Oscillator
MECH-08 Rubber Bands in Series and Parallel: Measuring Effective Spring Constants with a Smartphone

Oscillations & Mechanical Waves

MECH-09 Demonstrating Standing Waves on a Rubber Cord
MECH-10 Visualizing Mechanical Waves with a Spring

Hooke’s Law & Material Properties

MECH-11 Stretching and Compressing Materials: Investigating Hooke’s Law
MECH-12 Stretching Copper Wire: Observing Elastic and Plastic Deformation

Collisions & Momentum

MECH-13 Investigating 1D Collisions: Mass, Elasticity, and Conservation Laws
MECH-14 Investigating Two-Dimensional Collisions Using Coins

Energy

MECH-15 Bouncing Ball Energy Loss
MECH-16 Measuring Projectile Motion and Energy Using a Rubber Gun and Smartphone Sensors

Angular Momentum

MECH-17 Circular Motion with a Smartphone: Horizontal vs Vertical Rotation
MECH-18 Measuring Centripetal Acceleration in a Salad Spinner
MECH-19 Exploring Friction and Energy Dissipation with Euler’s Disk

Moment of Inertia

MECH-20 Rolling Races: Moment of Inertia in Action
MECH-21 Measuring the Moment of Inertia of a Smartphone with a Torsion Pendulum
MECH-22 Demonstrating the Intermediate Axis Theorem Using a Smartphone

Advanced Concepts

MECH-23 Demonstrating the Coriolis Effect with a Spinning Globe and Fluid Droplets
MECH-24 Building a Simple Balance to Measure Weight
MECH-25 Measuring Mass Using a Smartphone’s Internal Vibrator and Accelerometer

Capstone / Research Extension

MECH-26 Measuring Gravitational Attraction with a Torsion Balance

Historical Inquiry

MECH-27 Eötvös, Einstein, and the Equivalence Principle

Sound & Waves

Sound Propagation & Perception

WAVE-01 Loudness and Decibel Measurements
WAVE-02 Measuring the Speed of Sound via Echo
WAVE-03 Doppler Effect Using Two Smartphones
WAVE-04 Swapping Sounds: Exploring Binaural Hearing and Sound Localization

Sound Waves & Harmonics

WAVE-05 Displaying Musical Frequencies with an Oscilloscope App
WAVE-06 Exploring Acoustic Resonance with a Mug
WAVE-07 Creating a Straw Oboe to Explore Sound Production
WAVE-08 Exploring Sound Production by Blowing Across Bottle Openings
WAVE-09 Estimating the Fill Level of a Propane Gas Bottle Using Resonance
WAVE-10 Resonance and Harmonics in Metal Objects
WAVE-11 Understanding Sound Production in Musical Instruments

Interference & Standing Waves

WAVE-12 Two-Tone Beat Frequency
WAVE-13 Standing Waves in Tubes: Visualizing Resonance with Sound
WAVE-14 Interference of Sound Waves (Young’s Fringes)

Seeing Sound Waves

WAVE-15 Visualizing Tuning Fork Vibrations
WAVE-16 Visualizing Sound Wave Patterns in Water
WAVE-17 Visualizing Sound Waves with Chladni Plate Patterns
WAVE-18 Visualizing Vibrations Using a Rubber Sheet

Advanced Concepts

WAVE-19 Exploring Path Differences and Phase Difference in Wave Interference
WAVE-20 Estimating Jet Engine RPM Using In-Flight Sound and Fourier Analysis

Capstone / Research Extension

WAVE-21 Measuring the Speed of Sound in Air and Water Using Piezo Sensors
WAVE-22 Acoustic Levitation: Floating Small Objects Using Sound Waves

Light, Optics & Vision

Basic Principles

OPTI-01 Inverse-Square Law with Light
OPTI-02 Measuring Laser Light Transmission Through Colored Glasses Using a Smartphone
OPTI-03 Smartphone Sextant: Measuring Angles and Distances
OPTI-04 DIY Pinhole Camera and Spatial Filter
OPTI-05 DIY Smartphone Microscope with Droplet Lens
OPTI-06 Microscopic Laser Shadow Imaging: Seeing the Invisible with Light and Shadows
OPTI-07 Building a Simple Refracting Telescope and Smartphone Spyglass
OPTI-08 Camera-Based Refraction Measurement - Snell’s Law
OPTI-09 Seeing the Invisible: Visualizing CO2 with Light Refraction

Total Internal Reflection

OPTI-10 Total Internal Reflection with a Laser and Water Stream
OPTI-11 Creating a Home-Made Material That Bends Light

Diffraction & Interference Basics

OPTI-12 Why LEDs (Even with Lenses) Don’t Show Interference Patterns
OPTI-13 Razor Blade Diffraction: Comparing Slit and Edge Interference
OPTI-14 Twin Pinhole Interference: Light as a Wave
OPTI-15 Laser Diffraction to Probe Structure: Crystalline vs. Amorphous Materials
OPTI-16 Bubble Colors: Interference in Soap Films

DIY Spectrometer

OPTI-17 DIY Spectrometer with CD/DVD
OPTI-18 DIY Spectrometer with Grating
OPTI-19 Experiments with DIY Spectrometer

Beyond the Visible

OPTI-20 Beyond the Visible: Observing Infrared and Ultraviolet Light
OPTI-21 Exploring Fluorescence with a UV Lamp: Identifying Hidden Properties of Materials
OPTI-22 Candle Soot and Infrared Absorption
OPTI-23 Observing Sodium’s Light Absorption

Polarization

OPTI-24 Polarization with Sunglasses
OPTI-25 Polarization of Smartphone Screen
OPTI-26 Exploring Polarization Effects in Materials
OPTI-27 Faraday Effect with Olive Oil and Kerr Effect Demo

Tyndall and Rayleigh Scattering and Raman Spectrometer

OPTI-28 The Tyndall Effect: Visualizing Light Scattering in Colloids
OPTI-29 Rayleigh Scattering and Sunset in a Jar
OPTI-30 Polarization of Scattered Light
OPTI-31 DIY Raman Spectrometer and Molecular Fingerprints

Michelson Interferometer

OPTI-32 Michelson Interferometer: Measuring Tiny Distances with Light
OPTI-33 Using a Michelson Interferometer as an Optical Microphone
OPTI-34 Measuring Sub-Micron Displacements with Laser Interferometry and a Piezo Speaker
OPTI-35 Laser Diode Self-Mixing for Range-Finding and Sub-Micron Vibration Measurement

Advanced Concepts

OPTI-36 Exploring Fourier Optics and the 4F Correlator

Heat & Thermodynamics

Temperature, Heat, and Energy Transfer

HEAT-01 Infrared Thermography
HEAT-02 Thermal Radiation and Color Absorption
HEAT-03 Radiative vs. Convective Heat: Toaster vs. Hairdryer
HEAT-04 Evaporation, Capillarity, and Surface Cooling

Heating Effects and Transformations

HEAT-05 Heating and Cooling Curves with a Thermal Camera
HEAT-06 Mixing Hot and Cold Water: Exploring Thermal Equilibrium
HEAT-07 Converting Motion into Heat: Impact and Friction Visualized with Infrared
HEAT-08 Pressure, Temperature, and Boiling in Sealed Systems

Thermal Conductivity and Specific Heat

HEAT-09 Exploring Thermal Conductivity with Ice, Metal, and Infrared
HEAT-10 Comparing Heat Capacity of Liquids and Metals

Phase Transitions

HEAT-11 Ice and Salt
HEAT-12 Exploring Supercooling and Instant Freezing with Carbonated Beverages

Entropy

HEAT-13 Heating and Cooling Rubber Bands: Entropy and Elastic Energy

Advanced Concepts

HEAT-14 Thermal Expansion of Water During Heating
HEAT-15 Measuring Thermal Expansion of Metals Using Laser Interference
HEAT-16 Exploring Blackbody Radiation Through a Dual-Filament Bulb
HEAT-17 Blackbody Radiation and Emission Spectra

Capstone / Research Extension

HEAT-18 Measuring Boiling Point and Altitude Across Locations
HEAT-19 Negative Temperatures and Population Inversion: A Conceptual Exploration

Fluid Dynamics

Air Pressure and Temperature

FLUID-01 Pressure Changes When Climbing Stairs
FLUID-02 Measuring Water Pressure and Temperature Profiles in a Lake
FLUID-03 Detecting Low-Frequency Sound Using a Pressure Sensor
FLUID-04 Creating a DIY Potato Gun to Demonstrate Gas Pressure and Force
FLUID-05 Constructing and Understanding a Water Barometer

Pressure and Fluid Statics

FLUID-06 Investigating the Pressure of a Water Column
FLUID-07 Demonstrating the Relationship Between Pressure and Force

Capillarity and Surface Tension

FLUID-08 Capillary Action: Paper Towel vs. Cardstock
FLUID-09 Exploring Capillary Action in Narrow Tubes
FLUID-10 Demonstrating Surface Tension by Floating a Needle
FLUID-11 Exploring Surface Tension with Soap Film and Loops

Fluid Flow and Viscosity

FLUID-12 Viscosity Race
FLUID-13 Drip Time: Measuring Viscosity with a Dropper
FLUID-14 Investigating Flow Rate and Flow Regimes Through Nozzles

Waves & Interference Patterns

FLUID-15 Visualizing Water Waves: Standing Patterns and Ripple Propagation

Advanced Concepts

FLUID-16 Visualizing Air Currents Using Candle Smoke
FLUID-17 DIY Schlieren Imaging with a Smartphone
FLUID-18 Exploring Airflow and Lift: Bernoulli Papers and Flying Tubes

Electromagnetism & Fields

Mapping Magnetic Fields

EMAG-01 Measuring Magnetic Field Strength vs. Distance
EMAG-02 Exploring Earth’s Magnetic Field: Latitude and Declination
EMAG-03 Building and Comparing a DIY Compass
EMAG-04 Losing Magnetism at the Curie Temperature
EMAG-05 How Strong Is Earth’s Magnetic Field?
EMAG-06 Mapping Magnetic Fields with a Smartphone
EMAG-07 Detecting Hidden Iron with the Magnetometer: DIY Metal Detector

Measuring Energy Transfer and Magnetism

EMAG-08 Measuring Energy Transfer in a Gauss Rifle with Smartphone Sensors
EMAG-09 Demonstrating Diamagnetism and Paramagnetism with Floating Bismuth
EMAG-10 Visualizing Water Surface Distortion by Diamagnetism
EMAG-11 Ferrofluids and Magnetic Levitation with Smart Materials
EMAG-12 Levitating Pencil Lead: Demonstrating Diamagnetism
EMAG-13 Suspended Graphite and Laser Shadow Sensor
EMAG-14 Quantifying Diamagnetic Repulsion: Bismuth on a Torsion Balance

Eddy Currents and Magnetic Braking

EMAG-15 Magnetic Braking: Dropping a Magnet Through a Copper Pipe
EMAG-16 Quantifying Eddy Current Damping with a Magnetic Pendulum

Induction, Current & Fields

EMAG-17 Faraday’s Shake: Visualizing Induced Voltage with a Smartphone
EMAG-18 Seeing the Hum: Electromagnetic Induction and Fourier Analysis
EMAG-19 Observing the Lorentz Force on a Current-Carrying Wire

Electromagnetic Fields (Wi-Fi, Bluetooth, LTE)

EMAG-20 Wi-Fi Signal Strength and the Inverse-Square Law
EMAG-21 Comparing Wi-Fi at 2.4 GHz and 5 GHz: Frequency vs. Reach
EMAG-22 Comparing Wireless Frequencies: A Smartphone’s Invisible Spectrum
EMAG-23 Visualizing Wi-Fi Fields with Long Exposure Imaging
EMAG-24 Measuring Wi-Fi Signal Disruption by Passing Vehicles
EMAG-25 Exploring Signal Loss in Shielded Environments
EMAG-26 Exploring Electromagnetic Pollution: Detecting Electro-Smog

Plasma Globe Explorations

EMAG-27 Exploring Electromagnetic Fields with a Plasma Globe
EMAG-28 Analyzing Plasma Streamer Motion with Your Smartphone
EMAG-29 Wireless Bulb Lighting with a Plasma Globe
EMAG-30 Plasma Stream Curvature: Qualitative Lorentz Force Effect
EMAG-31 Stored Charge & Spark Discharge from Foil on a Plasma Globe

Advanced Concepts

EMAG-32 Dual-Filament Car Bulb as a Thermionic Diode and Transistor
EMAG-33 DIY Particle Accelerator
EMAG-34 Inquiry Sidebar — Magnetic Liquids That Aren’t Ferrofluids

Radioactivity & Nuclear Physics

Natural & Safe Radioactive Sources

NUCL-01 Radioactive Curiosities — Natural and Collectible

Smartphone Radiation Detection

NUCL-02 Smartphone Geiger Counter: Detecting Radiation with Your Camera
NUCL-03 Measuring the Half-Life of Tritium with a Smartphone
NUCL-04 Shielding Experiments: What Blocks Radiation?

Cloud Chamber Builds

NUCL-05 Cloud Chamber with Gel Ice Packs and Smartphone Light

Advanced Concepts

NUCL-06 Triboluminescence: Strange Glows from Sugar
NUCL-07 Alpha Sparks: Observing Scintillation in ZnS(Ag) with a Smartphone

Capstone / Research Extension

NUCL-08 Phone Radiation ≠ Radioactivity

Astronomy & Astrophysics

Earth-Based Astronomy

ASTR-01 Measuring Earth’s Tilt: Polaris and the Smartphone Sextant
ASTR-02 Measuring Angular Sizes with Digital Tools
ASTR-03 Longitude and Latitude: Finding Your Place on Earth

Size of the Earth

ASTR-04 Using Polaris
ASTR-05 Observing the Zenith and the Meridian — Recreating Eratosthenes
ASTR-06 Solar Noon Imaging
ASTR-07 Time of Meridian Crossing
ASTR-08 Ship on the Horizon — Measuring Earth’s Curvature
ASTR-09 Mass of the Earth — From Size to Gravity

Distance of the Moon

ASTR-10 Measuring the Distance to the Moon via Angular Size During a Lunar Eclipse
ASTR-11 Lunar Velocity from Eclipse Duration
ASTR-12 Parallax — Measuring the Distance to the Moon with Two Photos
ASTR-13 Using Eclipse Frequency to Estimate Lunar Size
ASTR-14 Calculating Lunar Size via Angular Diameter
ASTR-15 Mass of the Moon from Volume and Density

The Sun: Distance, Size, and Mass

ASTR-16 Aristarchus and the Quarter Moon Triangle
ASTR-17 DIY: Photographing the Quarter Moon
ASTR-18 Size and Mass of the Sun from Angular Diameter and Distance
ASTR-19 Energy of the Sun — From Lux to Fusion

Stars, Brightness, and Distances

ASTR-20 Estimating Distance to Sirius via Apparent Magnitude
ASTR-21 Apparent Brightness Using Smartphone Astrophotography
ASTR-22 Estimating Planetary Size from Brightness: Venus vs. Mars

Practical Stargazing

ASTR-23 Practical Stargazing: Imaging, Mapping, and Measuring the Sky

Capstone / Research Extensions

ASTR-24 Building an All-Sky Camera with Raspberry Pi
ASTR-25 Radio Ears: Build Your Own Radio Telescope for the Invisible Sky

Historical Inquiry

ASTR-26 Tracking Planetary Motion: Repeating Kepler with Your Smartphone
ASTR-27 Hipparchus, Parallax, and the Distance to the Moon

Constants & Modern Physics

Gravitational Constant

MODP-01 Estimating the Gravitational Constant G

Speed of Light

MODP-02 Measuring the Speed of Light (with Traceroute!)
MODP-03 Measuring the Speed of Light in a Microwave

Avogadro’s Number and Charge of the Electron

MODP-04 Avogadro’s Number via Oil Film
MODP-05 Measuring the Charge of the Electron via Electrolysis

Planck’s Constant

MODP-06 Measuring Planck’s Constant with LEDs
MODP-07 Thermal Radiation with Smartphone IR Camera

Boltzmann’s Constant

MODP-08 Brownian Motion with a DIY Microscope
MODP-09 Johnson Noise and the Boltzmann Constant

Quantum Mechanics

MODP-10 Sodium Vapor Lamps
MODP-11 Polarization and Photon Spin
MODP-12 Interference from Laser Pointer and Razor Blades
MODP-13 Photon Pressure on a Mirror
MODP-14 Band Gap of Photodiodes via Light and Voltage

Nuclear Physics (extension)

MODP-15 Measuring the Half-Life of Tritium with a Smartphone

Advanced Concepts

MODP-16 DIY Electron Beam with Car Bulb
MODP-17 Thermionic Emission with Heated Filament
MODP-18 Photon Noise: Measuring the Quantum Nature of Light

Capstone / Research Extensions

Capstone 1: Building Your Own Scanning Tunneling Microscope (STM)
Capstone 2: Building a High-Precision DIY Quartz Clock for Time Dilation Experiments

Chemistry & Materials Science

Color-Based Analysis (Indicators, Absorbance, Fluorescence)

CHEM-01 Color Chemistry: Smartphone-Based pH and Water Quality Analysis
CHEM-02 Beer-Lambert in Your Pocket: Measuring Light Absorption
CHEM-03 Detecting Fluorescence with UV Light

Reaction Energy (Heat or Combustion)

CHEM-04 Measuring Heat in Chemical Reactions: Exo vs. Endothermic
CHEM-05 Capturing Fruit Fireballs with High-Speed Photography

Reaction Kinetics and Gas Production

CHEM-06 Watching Reactions in Time: Rate of Reaction with Video
CHEM-07 Listening to Reactions: Gas Production via Audio and Video

Capillarity and Wicking

CHEM-08 Capillary Action in Paper Towels

Biology

Build Your Microscope

BIO-01 $10 Smartphone to Digital Microscope Conversion
BIO-02 Foldscope: The Paper Microscope
BIO-03 PNNL Smartphone Microscope
BIO-04 Pocket Microscopy: Exploring the Microworld with Your Smartphone

Microscopic Life: Cells, Spores & Microbes

BIO-05 Tiny Mouths of the Leaf: Observing Stomata Under the Microscope
BIO-06 Pond Life Safari: Discovering Microorganisms with a Smartphone Microscope
BIO-07 Fuzzy Forests: Observing Mold Spores with a Smartphone Microscope
BIO-08 The Cell City: Exploring Plant Cells with a Smartphone Microscope

Growth & Movement: Plant Dynamics

BIO-09 Watching Plants Grow: Time-Lapse Photography of Tropism
BIO-10 Bending Without Muscles: Exploring Phototropism and Geotropism
BIO-11 The Hidden Clock: Observing Circadian Rhythms in Plants and Fungi
BIO-12 Sprouting Science: Tracking Seed Germination in a Window Garden

Photosynthesis & Gas Exchange

BIO-13 Chasing the Light: Observing Photosynthesis in Action
BIO-14 The Sweating Leaf: Measuring Transpiration with a Plastic Bag
BIO-15 Measuring Green: Estimating Leaf Surface Area with a Camera
BIO-16 Detecting Photosynthesis via CO2 Reduction in a Closed Environment
BIO-17 Using pH Indicators to Detect Photosynthesis in Water Plants
BIO-18 Using a Thermal Camera to Compare Active and Inactive Photosynthesis

Pigments, Color, and Light

BIO-19 Fading Green: Tracking Leaf Color and Chlorophyll Breakdown
BIO-20 Why Apples Turn Brown: Tracking Enzyme Activity with a Smartphone
BIO-21 Warm Life, Cool Paper: Comparing the Cooling Rate of Living and Non-Living Tissue

Fermentation & Yeast Activity

BIO-22 Breathing Balloons: Measuring CO₂ from Yeast Fermentation
BIO-23 Yeast Whispers: Listening to Fermentation with a Smartphone Mic
BIO-24 Warm Yeast, Warm Flask: Tracking Heat from Fermentation
BIO-25 Tracking the Buzz: Estimating Alcohol Production from Fermentation
BIO-26 Seeing Cells Grow: Measuring Turbidity with a Smartphone
BIO-27 Yeast in Action: Observing Cellular Life Under the Microscope
BIO-28 The Life of Rot: Monitoring Mold Growth with a Smartphone

Microbial Ecology & Biofilms

BIO-29 The Slime Builders: Observing Biofilm Formation on Food Surfaces
BIO-30 The Hidden Rain: Capturing Spore Dispersal from Mushrooms

Plant Signaling & Sensing

BIO-31 Listening to the Roots: Measuring Soil Moisture with DIY Sensors
BIO-32 Can Plants Scream? Measuring Voltage and Sound Responses to Stress

Animal Behavior & Bioacoustics

BIO-33 Cameras and Creatures: Observing Animal Motion and Behavior
BIO-34 Echoes of the Wild: Analyzing Birdsong and Insect Calls

Biophysics & the Human Body

Cardiovascular Monitoring & Circulatory Response

BIOP-01 Optical Heart Rate Monitoring: From Fingertip to Face
BIOP-02 Heart in Motion: Tracking Resting and Active Heart Rate
BIOP-03 Heartbeats in Between: Exploring HRV and Stress with a Smartwatch
BIOP-04 Stand and Deliver: The Orthostatic Heart Rate Challenge
BIOP-05 Blink of Blood: Measuring Capillary Refill Time with a Smartphone

Breathing, Oxygen, and Altitude

BIOP-06 Breath in Motion: Measuring Respiration with Camera or Microphone
BIOP-07 Measuring Oxygen Saturation with a Pulse Oximeter
BIOP-08 Up, Down, and Out of Breath: Tracking Altitude and Pressure Changes
BIOP-09 Breath Control: Exploring Biofeedback and Calm with a Smartwatch

Reaction Time & Cognition

BIOP-10 Reaction Time Challenge: Measuring Your Neural Reflexes
BIOP-11 Tapping into the Brain: Estimating Cognitive Load with Tap Speed

Sleep & Circadian Rhythms

BIOP-12 Rhythms of Rest: Tracking Sleep and Circadian Cycles with a Smartwatch

Movement & Gait Tracking

BIOP-13 Balancing Physics: Posture and Movement with Smartphone Sensors
BIOP-14 Walking Waves: Analyzing Gait with Smartphone Sensors
BIOP-15 Steps in Sync: Analyzing Gait and Movement with a Smartwatch
BIOP-16 The Shaky Truth: Measuring Muscle Fatigue with Isometric Holds

Skin Temperature & Thermoregulation

BIOP-17 Heat Maps of the Body: Tracking Skin Temperature with Infrared Imaging
BIOP-18 Cold Hands, Warm Body: Tracking Skin Temperature Recovery

Advanced Projects

BIOP-19 Sonar Heartbeat: Using Smart Speakers to Detect Cardiac Rhythms
BIOP-20 Draw Your Own Biosensor: Pencil-and-Paper Skin Electrode Circuits

Capstone / Research Extension

BIOP-21 Capstone: DIY Biomedical Sensing — Hacking the Smartphone into a Biosignal Lab

Environmental Physics

Atmospheric Pressure & Altitude Physics

ENVP-01 Pressure vs. Altitude: Turning Stairs into a Barometer
ENVP-02 Vacuum Container Boiling Point Drop
ENVP-03 Boiling Point vs. Altitude Collaboration
ENVP-04 Pressure-Temperature Profiles in Water

UV, IR, and Environmental Light Exposure

ENVP-05 Infrared and Ultraviolet Exploration
ENVP-06 UV and Sunlight Logging: Watching the Sky with a Sensor
(Unnumbered) UV Transmission Through Materials(suggest assigning ENVP-06.1 or ENVP-07)
(Unnumbered) Measuring Effectiveness of Sunscreens(suggest assigning ENVP-06.2 or ENVP-08)

Detecting Gases and Airborne Particles

ENVP-07 CO2 Detection with “Invisible Gas” Setup
ENVP-08 Air Pollution Visualization with Light Scattering

Seismic and Acoustic Monitoring

ENVP-09 Seismic Detection: Feeling the Earth (or Your Desk) Move
ENVP-10 Acoustic Rainfall Detection: Listening to the Weather

Urban Mapping & Wireless Fields

ENVP-11 Microclimate Mapping: Physics in the Urban Wild
ENVP-12 Mapping “Electrosmog”: Visualizing Wireless Signals with Long Exposure

Capstone / Research Extension

ENVP-13 Detecting Micro-Movements — Earthquake Sensors from Simple to Sophisticated

Information Theory & Signal Science

Signal Transmission, Delay & Degradation

INFO-01 Smartphone-to-Smartphone Communication: Light, Sound, and Signal Decay
INFO-02 Signal Echo and Delay: Sound Bouncing Through Space
INFO-03 Signal Degradation: Generations of Loss

Spectral Analysis & Frequency Domain

INFO-05 Fourier Explorer: Visualizing Frequencies with Your Voice
INFO-06 Signal vs. Noise: Listening to the Invisible Mess
INFO-07 Sound-as-Data: From Voice to Waveform to Bits

Information Theory & Data Encoding

INFO-08 Data Compression Visualization: Seeing What Gets Lost
INFO-09 Morse Code Light Transmission: Encoding Messages with Flash
INFO-10 QR Code Dissection: Cracking the Digital Matrix
INFO-11 Error-Correcting Codes: Hamming’s Rescue Mission

Sampling, Quantization & Bitrate

INFO-12 Nyquist in Action: Sampling Limits and Aliasing