Good evening. I am a portuguese Ph. D who is is doing a public presentation about Einstein. I saw your brownian motion applet and was highly impressed with its ease of use and number of options. Could you please send me the .jar file so I can use it to explain the phenomena? I will of course give you due credit (please indicate your affiliation). If possible, please send the .jar file to Thank you for your attention. Kind regards, Jorge Paramos Departamento de Fisica, Instituto Superior Tecnico Lisbon, Portugal e-mail: telefone: 00 351 916 435 166