MobileKitchenLab, Yogyakarta

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Street vendor kitchen.jpg

Hacking Angkringan | Workshop in Yogyakarta

Microcells #02 Week – “We are the Lab” | 25 – 31 January 2012

Presentations, discussions, HONFablab introduction and closing party… See complete details on the HONF website


Santa Dharma

Lecture series: Hackteria, BioHacking and FoodHacking

Thu 26 Jan 10h, Universitas Sanata Dharma Yogyakarta, Kampus Iii

With Dr. Marc Dusseiller, Dr. Denisa Kera, Tommy / HONF

Prelude to the “Mobile KitchenLab Workshop – Hacking Angkringan”


Lecture series: Hackteria, BioHacking and FoodHacking

Fri 27 Jan, 14h, UKDW, Yogyakarta

With Dr. Marc Dusseiller, Dr. Denisa Kera, Tommy / HONF

Prelude to the “Mobile KitchenLab Workshop – Hacking Angkringan”


Presentation/Discussion : DIWO, Citizen Science and Hacktivism in Art and Design / Science and Technology

Mon 30 Jan, 11h, ISI, Yogyakarta

With Dr. Marc Dusseiller, Dr. Denisa Kera, HONF

MobileKitchenLab Workshop | 28 – 30 January 2012


  • Marc Dusseiller aka dusjagr (CH) – dusjagr labs / hackteria
  • Denisa Kera (CZ/SG)
  • Andi Stiller (DE/ID)
  • HONFablab Team (ID)


The workshop will be hold in the new HONFablab Jalan Taman Siswa no 59 Yogyakarta


During the MobileKitchenLab workshop we aim at ..

"Hacking Ankrinan" is about the unique interactions between the kitchen and the lab as privileged spaces where our research into what is the world made of and how it relates to not only originated but developed to the present nanotech and biotech stage. Homo sapiens is after all the culinary primate accroding to Richard Wrangham book "Catching Fire: how cooking made us human" to which we would like to add that it is also a lab and science primate curious and hungry for new knowledge and techniques of probing the world around. Cooking is our first technology that helped us digest the world around and even make it taste better, which is after all also the mission of science. Back in the 16.century the scientific labs emerged from the alchemist's kitchens and the first experiments always involved tasting and not only observing. Labs became specialized places in which we probe not only edible substances only much later, and right now we are witnessing the reverse trend with molecular gastronomy that is trying to merge the kitchen and a lab again and use all this knowledge from science and how materials behave to create new edible experiences.

In our project we will let these two spaces converge again on the streets of Yogyakarta because we see the mobile push carts, angkringans, omnipresent on the streets of Indonesia, as such first mobile food laboratories connecting science, art, and food. Angkrinans are labs because there you do something with food and substances that doesn't happen in nature, you modify the materials by cooking and mixing various ingredients so they taste well, and you offer it to various people to get feedback. You connect the whole city through tastebuds and preferences for certain cooking style and meals. These science food laboratories on the streest of Indonesia keep the idea of citizen science alive because they let everyone be part of the cooking process and the feedback, even letting people interact with each other while you cook and while they eat. The DIY and DIWO approaches as the base for citizen science projects are embodied in the street food culture of Indonesia which we believe should serve as a model for all citizen science initiatives. Citizen science needs to go to the streets, it needs mobile labs, wearable labs, it needs to return the culinary homo sapiens to its roots which is in tasting and probing the world around and sharing it with others... This project is our tribute to the alchemist that made the first connection betweren cooking, destilling, understanding and playing with the world in their kitchen labs and also to the ankrinan cookers that offer such powerful metaphor for citizen science....

Hacking Angkringan

Hack it into a bar

Ankringang bar.jpg

That's too easy :-)

Hack it into a lab

That's the real task for the next couple of days!

Detailed Workshop Schedule

Day 1 - Sat 28. Jan

Day 2 - Sun 29. Jan

Day 3 - Mon 30. Jan

Dragon Fruit Spherification workshop: Universitas Gajah Mada

Some photos:

We used strawberries and guava wine and tried basic spherification protocol.

Lessons learned:

- the bath needs to be COLD and you start with the bath: why?

- you need a good blender that will dissolve the sodium alginate either in the bath (if you do reverse spherification) or in the basic ingredient (if you are doing the basic spherification).

- Pipetts are fun, we even tried invisible nano-spheres, hacked a funny technique how to make fast spheres with tubes and other messy ways.

- measuring pH worked but it doesn't make sense if you are never certain how well you blended the mixture.

- strawberries somehow lost their color and didn't taste that great, guava wine was great, seems like alcohol is always a good idea.

The Lab Come2U – 31 January 2012

The moving portable lab goes to the street, and everybody can join and do their experiments at the lab [during the day], followed by the closing party at ISI.




Mobile food culture from a design perspective. Existing forms of mobile food culture in different countries? New forms of mobile food interaction? Relation between mobility & plurality of food? What is a good push cart? What is bad? Push Cart Pop-Demographic: Which trucks, carts and food is popular where and why? The design of the trucks: Who does that? What it expresses? City as an organism in which mobile food trucks function as some energy delivery mechanisms? What holistic, larger functions these mobile trucks serve? Bringing diversity, connecting city & parts over taste? Tuning streets into restaurants? Forms of picnicking? Public, political function? Context: Kaki Lima, Push food carts, Compact walking restaurants, Pikulans Predecessors of the trendy food trucks in US Revival of a mobile food culture in the west? Street food in Indonesia is more evolved, very plural, rich


Design Ethnography, Observation, Interview, Brainstorming, Critical Design Probes


  • use ethnography to understand user needs and new requirement
  • brainstorming to generate new design ideas and scenarios
  • critical design probes and prototyping to define new problems and questions


Where is it used? Why is important? Intro into design methods. Go to the streets. Take picture, observe, do small interviews.

1) Take pictures:

  • types of push carts
  • customers, context
  • interaction with various push carts (preparing, selling etc.)

What is typical? What is unexpected, different?

2) Observe:

  • how the push carts interact with other cars, stores, other objects?
  • interact between them?
  • type of food?
  • time of the day?
  • relation to decoration, sounds?

3) Interview:

  • how many people?
  • typical routes?
  • issues?
  • special meaning of the decoration, routes?
  • how are push carts treated in the traffic?
  • where does a food truck sleep?
  • interesting anecdotes, stories?

4) Bring materials back & brainstorm:

  • new user needs, requirements?
  • opportunities for design intervention?
  • unexpected behaviour, situation, use?


Geolocation project with mobile food?

Food with memory?

Special cuisine based on the location the food travels?

Food as a medium of stories?

Describe and document new scenario of use.

Identify some local problems & practices.


Gastronomi molekuler

Molecular gastronomy techniques & relation to local practices


We will work with spherification techniques because of their provocative philosophical, mathematical and political context inspired by the German philosopher Peter Sloterdijk and his three volume magnus opus, trilogy "Spheres". Spheres connect issues of colonization, globalisation and science defined as a search for what is ideal, universal, perfect and symmetrical shape as means of total control of the globe, knowledge, matter and people. With the new techniques of preparing food by changing their "state of matter" into spheres, foams, gels and powders and surprising transformations of liquids into solid matter or solid things into liquids we have means to show a different ontology, design and politics. We will use a hybridized version of spherification technique applied on Indonesian traditional recipe and fruit to make the familiar unfamiliar and to show how posh cuisine can be turned into street food culture. With our vernacular cosmopolitan recipe (Dragon Cassava - Mutiara Buah Naga: Culinary Tribute to the year of the Water Dragon) we will show how in the base of any culture or food there is always and active process and story of hybridization, cross-pollinations and mutations that can be global even if they are not "spherical". We hope to hack and deconstruct molecular gastronomy but also modernist ideas of science and politics and define food as a perfect material for cosmopolitical mess which allows humans and non-humans to experiment with various new geometries and relations referring to another French philosopher, Bruno Latour, and his ideas of what are networks. Spherification of traditional drinks and fruit on our mobile food push truck (angkringan) is a small cosmopolitical ritual connecting science with the streets to figure out new networks and cosmopolitics.

In one of his interview, Sloterdijk, defines spheres as ultimate means of control ( "First the universe was globalized with the help of geometry, then the earth was globalized with the help of capital." By using foams, powders and hybridized spheres, we can think of new ideas of the universe and the globe, new cosmopolitics. By bring lab science and posh spherification technique of molecular gastronomy to the streets of Yogyakarta with the help of the local, ubiquitous and traditional medium of city metabolism (food truck - angkringan) we are preparing a ground for a more radical revolution connecting architecture, philosophy and politics. We are making a strong statement that DIY mobile science together with a keen interest in indigenous knowledge, practices, objects and cultures is not only taking back the "means of production", as Marx hoped any revolution should do, but bringing forth a real, makers and tinkerers revolution, a revival of mechanical arts, alchemist and artisans. It is supporting Sloterdijk's "polyspherical" and "foam" notions while refusing their immunological effects: "I have thematized the modern world in terms of a theory of spatial multiplicities. I begin with the idea that the world is not structured monospherically and all-communicatively, as the classical holists thought, but rather polyspherically and interidiotically. At the center of this volume is an immunological theory of architecture, because I maintain that houses are built immune systems. I thus provide on the one hand an interpretation of modern habitat, and on the other a new view of the mass container." Against his containers we are placing our polyspherical, "foam" structured, mobile Angkringan, which brings constant exchanges between humans and non-humans via its microbiological lab introducing with visuals and sounds bacteria and other scientific facts into everyday, street context. It makes unexpected connections between pleasure and knowledge, food and science, traditional and globalization cultures turning and combining anything with anything else.

Genealogy of spheres:^

Peter Sloterdijk:

Peter Sloterdijk interview:

Foreword to Theory of Spheres:

Bruno Latour's cosmopolitics


Think about which technique would be easily performed in a push cart?

  • try some of the protocols on local food.
  • figure out how to use local equipment for these posh techniques
  • how to turn local cooking technique into “posh” & science protocols


Micro - Surveillance & Food

Hygiene & Food

Camera & Food


May 2011 workshop in Prague

HotKarotka project (HotDog = HotCarrot)

Dragon Cassava (Mutiara Buah Naga): Culinary Tribute to the year of the Water Dragon

We hacked a typical Indonesian style dessert, Sago pearls (Bubur Mutiara – literally Porridge pearls) into Dragon Fruit Pearls. By using so called spherification technique from molecular gastronomy we turned cassava into dragon fruit and transformed the typical red tapioca based starch pearls into light and delicious red dragon fruit pearls (buah naga). We tested the spherification technique introduced by the famous el Bulli restaurant in 2003 on the streets of Yogya in traditional, mobile food push track (angkringan) setting. The controlled jellification of a dragon fruit liquid forming red spheres is our culinary tribute to the year of the Water Dragon, which is supposed to combine just like our dessert the wild and enthusiastic qulities of the red color with the nurturing and calming qualities of the coconut milk in which the pearls are served. We changed the pandang leaves base of the coconut milk (santan) into fragrant sweetness of palm sugar (gula melaka) base which serves better the mild sour taste of the red-skinned draon fruit rich with Vitamin C.


Sago (Tapioca) pearls


“Pearl sago closely resembles pearl tapioca. Both typically are small (about 2 mm diameter) dry, opaque balls. Both may be white (if very pure) or colored naturally grey, brown or black, or artificially pink, yellow, green, etc. When soaked and cooked, both become much larger, translucent, soft and spongy. Both are widely used in Indian, Bangladeshi and Sri Lankan cuisine in a variety of dishes and around the world, usually in puddings. In India, pearl sago is called javvarisi, sabudana (Hindi), sabbakki (Kannada) and saggubeeyam (Telugu) among other regional and local names and is used in a variety of dishes such as desserts boiled with sweetened milk on occasion of religious fasts.”

Cassava is (main source of food carbohydrates in the tropics, basic diet for around 500 million people)


Dragon Fruit (cacti fruit! a nutty taste and are rich in lipids seads)


Hacked Sago recipe

Bubur Mutiara recipe



There is already a lot of tipps, instructions and inpirations on the wiki, go and check the Main_Page

Generic Lab Infrastructure

  • Sound System !
  • DIY Microscope
  • balance
  • clean hood
  • tools
  • hot plate
  • containers
  • storage


  • algae photo-bioreactor
  • incubator in blek krupuk
  • laser projector

Power Supply

Black: GND

Yellow: +12V

Red: +5V

Orange: +3.3V

Open Kitchen Discussions

DIY spherification

Labels colour, density, dispersion, education, fruit, gel, molecular gastronomy, recipe

Strawberry spheres in sparkling drink (for lava lamp effect)
(Sparkling Chardonnay or non alcoholic cider are both fine)

(immersion) blender
scale (0.1 g precision is needed)
some general kitchenware
disposable plastic pipette (7 ml) or plastic syringe (10-20 ml)
(pH strips)

frozen and thawed strawberries, 200 g
sugar, 25 g
sodium alginate, 1.9 g
sodium citrate1, 2 g
calcium chloride2, 2.5-4 g
water, 500 ml
Sparkling Chardonnay or non-alcoholic drink (i.e. apple cider)

Procedure (see You Tube for informative demonstrations)
For template, the recipe for Melon cantaloupe caviar taken from El Bulli's texturas recipes: The strawberries were blended and mixed with the sugar. pH measured to be ca. 3 (somewhat uncertain since the berries gave some colour to the strips). Sodium citrate was added gradually, stopping at a total of 2 g to get a pH of ca. 4-5.1 Sodium alginate was added and blended (the alginate partially turned into lumps; should have added the alginate to a small portion, mixed this, and then added the rest. Lots of blending did the trick). The mixture was strained through a sieve. For easier dripping (see below), the mixture was diluted 1:1 with water (the initial strawberry mixture was rather viscous, resulting in oblong or drop-shaped "caviars"). This would of course affect gelation, hence the amounts here are deduced on a try-and-fail basis.

Calcium chloride was dissolved in the water. The strawberry mixture was dripped into the calcium chloride solution, the drops forming small strawberry beads, and left for 1/2 to 1 minute.3 The beads were strained, rinsed in water and added to the sparkling wine or cider.


cooking as alchemy

Ideas from UKDW presentation

what would jesus do?

  • Mobile Angkringan for:
  • laundry
  • mobile pet-care
  • t-shirt / KaosLab
  • helmet washing
  • playstation
  • free WiFi
  • massage

  • BurgerShop
  • PrintShop
  • PulsaCounter

  • Internet Café, monitors, laptops
  • KidsPlayground, RoundAbout
  • MagicArena
  • DJ-Station
  • puppet Theater

  • Boutique/ChangingRoom
  • Library
  • MusicStudio / BurnStation
  • Medical Clinic
  • UV-lamp

Print Material








download poster File:Biohackers final large.pdf

Biohackers final.png


KITCHEN t shirt with back.png

other stuff


Registred hackteria pink.jpg

Eat dont eat.png

produced/supported by

  • HONF


Hackteria logo green black.png

Dusjagr labs logo2.png

KulturraumSchaffhausen small.png