Demonstration on how to make charcoal briquettes, by Amy Smith of DLab, MIT (http://web.mit.edu/dlab/). For more information, please contact [email protected]. The charcoal is made from agricultural waste materials using an oil drum. In this case maize stalks were used. The charcoal is compressed to briquettes using a simple handoperated press. The demonstration was held during the IPIDAT 2009 meeting.