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MudWatt Kits
4 products
MudWatt Kits
The MudWatt is a fun and educational science kit that uses the natural micro-organisms found within dirt to generate electricity! Want to engage your students in science and engineering in a whole new way -- merging disciplines like microbiology, decomposition, renewable energy, electrical engineering all in one fun and memorable experience? Or just want to have a dirt-power party? Then the Mudwatt is for you! The MudWatt Kits let you track the growth of your electric bacteria colony with the blinker circuit and MudWatt Explorer App AND lets you power a clock and thermometer with your microbes. And MudWatts are reusable! They just need to be cleaned between uses.
Although we cannot see them with the naked eye, with bodies one-tenth of the thickness of a human hair, micro-organisms or “microbes” live throughout virtually all soil and sediment on the planet. Among these diverse communities of microbes are particular species with the unique ability to release electrons outside their own bodies as part of their natural respiration.
The MudWatt utilizes this remarkable ability by providing mud-based microbes with two conductive graphite discs, called the anode and cathode. The anode is placed within the mud where the electrogenic microbes can grow, while the cathode is placed on top exposing it to oxygen in the air (see MudWatt diagram below).
Electron Flow Through the MudWatt
To understand how the MudWatt works, we need to follow the path of the electrons. Consider each step of the cycle below, using the diagram here as a reference:
- While munching up the nutrients in the mud, microbes deposit electrons onto the anode.
- These electrons travel through the wire to the Hacker Board, where they power the electronics.
- The electrons then travel back down through the wire to the cathode.
- The electrons interact with oxygen and protons to form water.
This sequence happens over and over, trillions of times every second!
Microbe Species
There are many species of electon-donating microbes in the world taking on a wide range of shapes and sizes, but there are two in particular that are commonly found in soils and sediments around the planet. From the top of the Himalayan Mountains to the bottom of the ocean, these two types of microbes exhibit truly remarkable abilities:
Shewanella (a.k.a. "Mr. Clean")
Known for their versatility, Shewanella species can be found almost everywhere on earth, from mountain dirt to ocean sediments. Due to their unique ability to expel electrons to compounds outside their bodies, Shewanella can metabolize a variety of substances and link together through conductive appendages, transferring electrons to their neighbors. They can even metabolize toxic compounds containing radioactive Uranium!
Geobacter (a.k.a. "Iron-Breather")
Geobacter specied have the ability to respire iron compounds and use them in a way similar to the way humans respire oxygen. In fact, they prefer to live in environments where there is no oxygen, such as deep underground or within ocean sediments. Like Shewanella, due to their ability to expel electron, they can metabolize many environmental pollutants, including petroleum and Uranium, and have been used to clean pollution.


The Deep Dig Kit Includes:
1 MudWatt ANODE
1 MudWatt CATHODE
1 MudWatt VESSEL
1 MudWatt HACKER PACK (Blinker + Clock Circuits + Buzzer)
1 MudWatt MAXTRACKER
1 MudWatt Explorer App (available on iTunes and Google Play)
1 Educational/Instruction Booklet
1 Pair of Black Nitrile Gloves
The MudWatt is a fun and educational science kit that uses the natural micro-organisms found within dirt to generate electricity! Want to engage your students in science and engineering in a whole new way -- merging disciplines like microbiology, decomposition, renewable energy, electrical engineering all in one fun and memorable experience? Or just want to have a dirt-power party? Then the Mudwatt is for you! The MudWatt Kits let you track the growth of your electric bacteria colony with the blinker circuit and MudWatt Explorer App AND lets you power a clock and thermometer with your microbes. And MudWatts are reusable! They just need to be cleaned between uses.


The Classic Kit Includes:
1 MudWatt ANODE
1 MudWatt CATHODE
1 MudWatt VESSEL
1 MudWatt HACKER PACK (Blinker + Clock Circuits + Buzzer)
1 Educational/Instruction Booklet
1 Pair of Black Nitrile Gloves
MudWatt Explorer App (available on iTunes and Google Play)
The MudWatt is a fun and educational science kit that uses the natural micro-organisms found within dirt to generate electricity! Want to engage your students in science and engineering in a whole new way -- merging disciplines like microbiology, decomposition, renewable energy, electrical engineering all in one fun and memorable experience? Or just want to have a dirt-power party? Then the Mudwatt is for you! The MudWatt Kits let you track the growth of your electric bacteria colony with the blinker circuit and MudWatt Explorer App AND lets you power a clock and thermometer with your microbes. And MudWatts are reusable! They just need to be cleaned between uses.


The Classroom Pack Includes:
10 MudWatt CORE KITS
10 MudWatt VESSELS
3 MudWatt Digital Clocks
3 MudWatt MAXTRACKERS (Multimeter and Resistor sets)
18 Alligator Clips (for connecting MudWatts together)
MudWatt Explorer App (available on iTunes and Google Play)
Free access to the MudWatt NGSS Teacher's Guide and other Educational Resources
The MudWatt is a fun and educational science kit that uses the natural micro-organisms found within dirt to generate electricity! Want to engage your students in science and engineering in a whole new way -- merging disciplines like microbiology, decomposition, renewable energy, electrical engineering all in one fun and memorable experience? Or just want to have a dirt-power party? Then the Mudwatt is for you! The MudWatt Kits let you track the growth of your electric bacteria colony with the blinker circuit and MudWatt Explorer App AND lets you power a clock and thermometer with your microbes. And MudWatts are reusable! They just need to be cleaned between uses.


The Science Fair Pack Includes:
3 MudWatt CORE KITS
3 MudWatt VESSELS
1 MudWatt HACKER PACK (Blinker + Clock Circuits + Buzzer)
1 MudWatt MAXTRACKER
MudWatt Explorer App (available on iTunes and Google Play)
1 Pair of Black Nitrile Gloves
The MudWatt is a fun and educational science kit that uses the natural micro-organisms found within dirt to generate electricity! Want to engage your students in science and engineering in a whole new way -- merging disciplines like microbiology, decomposition, renewable energy, electrical engineering all in one fun and memorable experience? Or just want to have a dirt-power party? Then the Mudwatt is for you! The MudWatt Kits let you track the growth of your electric bacteria colony with the blinker circuit and MudWatt Explorer App AND lets you power a clock and thermometer with your microbes. And MudWatts are reusable! They just need to be cleaned between uses.
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