Flow A · Resource
Land, nutrients, and production
How can agriculture coordinate land, nutrients, energy, production, and consumption while reducing environmental pressure?
Resources · Rules · Feedback
Complex systems keep moving by negotiating constraints.
Friction & Flow connects sustainable food systems, international legal orders, and adaptive vehicle control to explore how complex systems coordinate resources, rules, feedback, and competing goals.
Independent educational resource
System braid / Three flows
RESOURCE
RULE
CONTROL
SOIL / ENERGY / FOODSTATE / INVESTORVEHICLE / ENERGY
RESOURCE LIMITLEGAL CONSTRAINTOPERATING CONDITION
COORDINATION NODE
FOOD SYSTEMGOVERNED EXCHANGEADAPTIVE MOTION
Flow B · Rule
Rights, obligations, and exchange
How do international rules structure rights, obligations, investment protection, human rights, and dispute settlement?
Flow C · Control
Models, sensors, and motion
How can an electrified vehicle use models, sensors, prediction, and control to respond efficiently to changing driving conditions?
Friction is information
Constraints reveal what a system must coordinate.
Resources create trade-offs.
Rules create obligations.
Feedback creates adjustment.
Evidence defines limits.
Four system fields
A flow becomes meaningful when we know what is moving and what constrains it.
Agroecological Flow
Explore how nutrients, biomass, energy, land, farming decisions, and food move through interconnected agricultural and food systems.
Legal Flow
Examine how rights, obligations, standards, claims, institutions, and legal interpretations organize international economic and investment relationships.
Energy Flow
Study how energy is stored, converted, consumed, recovered, and managed across electrified vehicle powertrains.
Feedback Flow
Explore how measurements, models, predictions, and control actions allow engineered systems to adapt to changing conditions.
Where flow meets resistance
Constraints do not simply stop a system; they shape the choices available to it.
Friction 01
Resource ↔ Food system
How can agricultural systems produce food while managing nutrients, energy, emissions, land, and ecological limits?
ResourcesEnvironmental limitsSystem redesign
Friction 02
Right ↔ Regulation
How can international law balance investment protection, state authority, human rights, and legitimate regulation?
Legal claimPublic authorityInterpretation
Friction 03
Energy ↔ Mobility
How can vehicle control balance performance, efficiency, battery health, comfort, and changing driving conditions?
EnergyOperating conditionControl action
The coordination method
Trace the flow before judging the system.
Name the flow
Identify what actually moves through the system: energy, nutrients, rights, information, commands, money, or another quantity.
Draw the boundary
Specify where the system begins and ends and which external conditions remain outside the analysis.
Locate friction
Identify resource limits, regulatory constraints, uncertainty, physical limits, or competing objectives.
Observe feedback
Determine which measurements, institutions, decisions, or signals change future behavior.
Test adaptation
Ask how the system responds when conditions, assumptions, inputs, or constraints change.
Reassess
Check whether the model, rule, or design still supports the intended outcome under different conditions.
Educational reference points
Six researchers across food systems, international law, and adaptive mobility.
These profiles are presented as educational reference points for exploring public academic work. They are not presented as members, employees, partners, collaborators, representatives, endorsers, or affiliates of Friction & Flow.
Platform contact note. The first three email addresses are platform contact addresses supplied for this site and are not presented as verified university or institutional email accounts.
JHResource
Juha Pekka Helenius
Professor / Professor Emeritus · Finland
University of Helsinki · Helsinki Institute of Sustainability Science (HELSUS) · Ruralia Institute
Research on agroecology and sustainable food systems, including agricultural production, food-system transformation, agroecological symbiosis, renewable resources, nutrient and energy flows, regional food systems, sustainability, and systemic approaches to food production.
ORCID 0000-0001-6933-404X
Platform contactjuhapekkahelenius@clipitboating.org
UKRule
Ursula Kriebaum
Professor of International Law · Austria
University of Vienna · Faculty of Law · Department of European, International and Comparative Law
Research on public international law, international investment law, investment protection, expropriation, fair and equitable treatment, human rights, investment arbitration, implementation of international obligations, and relationships between foreign investment and public authority.
ORCID 0009-0009-8463-8952
Platform contactursulakriebaum@clipitboating.org
JDControl
Joško Deur
Full Professor with tenure · Croatia
University of Zagreb · Faculty of Mechanical Engineering and Naval Architecture · Department of Robotics and Automation of Manufacturing Systems
Research on modelling and control of automotive systems, including electric, hybrid, and autonomous vehicles, vehicle dynamics, adaptive and predictive control, energy-management strategies, powertrain control, driving-cycle modelling, optimization, and energy-efficient transportation systems.
ORCID 0009-0000-2025-7979
Platform contactjoskodeur@clipitboating.org
HTResource
Hanna Tuomisto
Professor, Sustainable Food Systems · Finland
University of Helsinki · Department of Agricultural Sciences · Helsinki Institute of Sustainability Science (HELSUS)
Research on sustainable food systems, life-cycle assessment, environmental impacts of food production, sustainable farming, carbon footprints, cellular agriculture, novel foods, resource use, and methods for comparing environmental performance across food production systems.
ORCID 0000-0002-5971-8354
Educational reference point
ARRule
August Reinisch
Professor of International and European Law · Austria
University of Vienna · Faculty of Law · Department of European, International and Comparative Law
Research on international economic law, investment law, international organizations, state responsibility, state immunity, investment arbitration, international dispute settlement, extraterritoriality, economic sanctions, and relationships between international and domestic legal orders.
ORCID 0000-0002-0119-2054
Educational reference point
SOControl
Simona Onori
Associate Professor · United States
Stanford University · Department of Energy Science and Engineering · Director, Stanford Energy Control Lab
Research on electrified transportation, energy-storage systems, lithium-ion batteries, battery aging, optimal control, estimation, model-based diagnostics, prognostics, energy management, electrified vehicles, emissions mitigation, and advanced control methods for energy and transportation systems.
ORCID 0000-0002-6556-2608
Educational reference point
Field notes
Follow one flow and examine where friction appears.
10 notes
AgroecologyWhat does agroecology study?
Explore agriculture as an ecological and social system rather than only a collection of individual production techniques.
Discuss ecological interactions, crop production, soil processes, nutrient cycling, biodiversity, farm management, social context, energy use, local knowledge, environmental impacts, resilience, and why agroecology often considers relationships between components rather than isolated inputs.
Food SystemsWhere does a food system begin and end?
Explore why defining a system boundary changes what researchers can measure.
Discuss agricultural production, processing, distribution, consumption, waste, nutrient flows, energy, land use, environmental impacts, logistics, policy, social context, circularity, and why different research questions require different food-system boundaries.
Life-Cycle AssessmentHow can environmental impacts follow a product through its life cycle?
Explore the basic logic of life-cycle assessment.
Discuss functional units, system boundaries, inventories, energy and material inputs, emissions, impact categories, allocation, data quality, assumptions, uncertainty, comparison, and why a life-cycle assessment result depends strongly on methodological choices.
Investment LawWhy can regulation become an international investment dispute?
Explore the relationship between public regulation and investment protection.
Discuss investment treaties, protected investments, expropriation, fair and equitable treatment, non-discrimination, state authority, public-interest regulation, investor claims, arbitration, legal interpretation, and why treaty protection does not automatically eliminate regulatory autonomy.
Human RightsHow can investment governance interact with human-rights obligations?
Explore why international legal regimes may intersect rather than operate in complete isolation.
Discuss state obligations, foreign investment, corporate activity, public policy, procedural rights, property interests, international adjudication, treaty interpretation, legal fragmentation, competing obligations, and the importance of context when reconciling different legal frameworks.
International OrganizationsHow do international institutions constrain and coordinate states?
Explore the legal role of international organizations.
Discuss constituent instruments, legal personality, powers, responsibility, immunity, international obligations, decision making, member states, institutional authority, dispute settlement, and why institutional design influences international governance.
Electric MobilityWhere does energy go in an electric vehicle?
Explore the basic energy flows inside an electrified powertrain.
Discuss battery energy, electric motors, power electronics, drivetrain losses, regenerative braking, auxiliary loads, vehicle mass, driving conditions, efficiency, battery state of charge, and why energy consumption changes across trips and operating conditions.
Vehicle ControlWhat does feedback control do inside a vehicle?
Explore how measurements and control actions help a vehicle respond to changing conditions.
Discuss sensors, reference values, control variables, actuators, models, disturbances, feedback loops, stability, constraints, vehicle dynamics, prediction, and why control systems continuously compare desired and observed behavior.
Predictive ControlWhy would a vehicle controller predict the future?
Explore the basic idea behind model predictive control.
Discuss mathematical models, prediction horizons, optimization, future constraints, control inputs, objectives, state estimates, energy management, computational limitations, disturbances, and why predictive control repeatedly updates its decision as new information becomes available.
Systems ThinkingIs every constraint a form of friction?
Compare resource, legal, and engineering constraints without treating them as equivalent.
Environmental resource limits arise from ecological and physical conditions, legal constraints arise from institutions and norms, and vehicle constraints can arise from physical systems, safety requirements, energy availability, and control objectives. System boundaries, feedback, adaptation, uncertainty, trade-offs, and evidence matter; similar diagrams should not be mistaken for identical mechanisms.
No field notes match your search.
About Friction & Flow
A system becomes easier to understand when its flows and constraints are made explicit.
Friction & Flow is an independent educational prototype connecting sustainable food systems, international law, and adaptive mobility.
It does not suggest that agroecosystems, legal institutions, and vehicle-control systems operate through equivalent mechanisms.
Instead, it explores a shared analytical challenge: identifying what moves through a system, what constrains that movement, which feedback is available, and how the system adapts when conditions change.
It is not a university, agricultural organization, law firm, international institution, vehicle manufacturer, engineering company, laboratory, consultancy, or commercial service.
Flows require boundaries
Researchers must define what belongs inside the system before they can meaningfully measure movement.
Constraints shape outcomes
Resource limits, legal obligations, and physical operating limits change which outcomes remain possible.
Adaptation needs feedback
A system can adjust only when relevant information influences future decisions or behavior.
Follow the next flow
Choose a system and trace what happens when movement meets constraint.
Browse field notes, compare friction points, and examine how resources, rules, and feedback shape different forms of adaptation.