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  •  Secretopia
  • Calendar
  • Pure Gold
  • Image: Xiang Yu Yeung

    Michelle Hammerton from Metabolic

    Michelle speaks at the second Pis' Talk presenting her research on urine-based fertilizers
  • Urban Agriculture
  • Science
  • fertilizer
  • piss
  • chemistry
  • ecology

  • About the Pis’ Project

    2014-2016

    The Pis’ Project connects urine in the arts with innovation within design, architecture and environment. After a successful two years we decided in 2017 to expand the project from urine to all human...

  • Pee for plants: how to

    An introduction to the use of urine as fertiliser

    If you have ever wondered whether and how you can use your own urine to grow luxuriant plants and healthy veggies, here you can find some useful pieces of information on methods and timing for...

  • Determining the optimal nitrogen level for the…

    Nitrogen is a key component in chlorophyll, so it plays a crucial role inside the plant: but what happens when it's too much?

    Various researches have shown the correlation between pests infestation and nitrogen leaf content - which depends on the amount of fertilizer you add. What is, then, the fertilizer amount we can...

  • Secretopia

    Secretions in Art, Design and Society

    Secretopia is an inquiry into human secretions through art, science and design. After exploring the potential of urine in The Pis’ Project, we decided to expand the programme to all sorts of...
  • Mediamatic Biotoop Dijkspark Abel Jansma

    Distillation 101

    Using physics to extract smells

    Throughout the fall and winter, I will be distilling some of the liquids that are produced in and around Mediamatic. Distillation is a technique, mostly used in chemistry, to separate components of a...

  • Piss or get off the pot!

    New perspectives for the greenhouse: thinking about an Anthroponic system

    It's a rich solution, we produce it, sometimes it's inside us and sometimes it's not - and it connects us all, from the tiniest insect to the mastodontic blue whale. Is it blood? No, it's urine! Let'...

  • Pools, pee, and chemistry

    Why you should not pee in a pool

    Has it ever happened that you used the pool as a "public urinal"? Or were you terrified by the claims that the water would have suddenly turned red as an effect of a chemical reaction with your...

  • The Urine Brick

    Building the future

    What is the link between pissing and building? The connection expands past port-a-loos. It's bricks. The answer is bricks.
  • Exhibition: Mediamatic Biotoop Dijkspark

    Pure Gold

    18
    Sep 2015
    18
    Sep 2025
    - by Kamiel Rongen

    It's an artwork, but you can use it. Pee in our urinals while enjoying the hypnotizing videos by Kamiel Rongen. We are happy to collect your fluid contribution and create a powerful fertilizer for...

  • ETEN Suppliers

    Service & Kitchen Suppliers

    Here you can find the different Suppliers for the Restaurant.

  • Salt tolerant plants in aquaponics

    Exploring new plants as an adaptation strategy

    As a part of our project ' Grain of Salt ' we are researching plant species that are more tolerant towards salty conditions. These plants have special mechanisms to withstand higher concentrations of...

  • The green gold

    Celebrating our Wasabi's 2nd birthday

    After some cold and rainy months in aquaponics, we were overjoyed to see the first aquaponics plant in bloom. This early bloomer has got to be a bit of a diva, as most plants are not showing any...

  • Pee, where do you come from?

    All you need to know if you have ever wondered about the etymology of such a common word

    We have been talking about pee and urine, but we haven't looked at the origin of these words yet. It's now time to fill the gap with some etymological insights.

  • The placenta as a guidance tool

    'Haem' by Cecilia Jonsson

    Cecilia Jonsson is an interdisciplinary artist, who is exploring different forms of iron in her art works. Her project ‘Haem’, that she developed in cooperation with the scientist Rodrigo Leite de...

  • Pissing and the public

    Most animals have excretory systems for elimination of soluble wastes. Humans are no different. While we may regard ourselves as much more evolved, in many ways we still resemble all the other...

  • Pis’

    In art history

    From ancient to contemporary art, urine in art depicts both the micro-narratives of personal stories and the meta-narratives of the ever evolving world. The depiction and relation to urine and...
  • Project: Anna Pedersen

    GoGirl

    Don't take life sitting down

    Life's greatest adventure shouldn't be finding a bathroom. GoGirl is the feminine urination device that lets you go anywhere. Simply put, a GoGirl is a way to stand up to crowded, disgusting, distant...

  • WoPeeH

    For women who stand up!

    WoPeeH pocket is the newest reusable urinating device for practical modern woman! WoPeeH pocket is specifically designed to easily take with you and lockable. Made of sturdy plastic it is reliable to...

  • Cleantech Playground

    A technical and environmental system for De Ceuvel

    The Cleantech Playground (CTP) is a planned sustainable, cleantech utility at De Ceuvel in the North of Amsterdam. The project contains land-based offices and a commercial park, Café De Ceuvel, and a...

  • Oo, Oo That Smell

    What is that distinct smell after enjoying a plate of this green veggie?

    Asparagus. A lean, green vegetable with a dramatic list of healthy benefits. Many people are aware that asparagus is heart healthy, high in antioxidants, contains characteristics to heighten your...

  • Pop-up Urinals

    Public convenience by the push of a button

    This public urinal hides in plain sight during the day, and rises for the occasion at night. With room for three, the urinal provides ample opportunity and encouragement for male citizens to do their...

  • Brigette Bloom

    Pee, soak, dry and use

    A project that started as an accident and ended up being a new way of making pictures personal.

  • Dealing with pests

    The pineapple sage infestation

    With the changing of the seasons and the drop in temperature, some plants in the unheated greenhouse become more susceptible to pests and infestations as they are perennial, such as the Pineapple...

  • Intimate Currency

    Peck As You Go by Raphael Kim

    With the world becoming more globalized with the help of the internet, businesses and payments become more intangible and digital. Such as so, payment systems are pressured to keep up with the rapid...

created Anna Piccoli modified Anna Piccoli

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