#####OpenHour **Mondays 8:00pm EST** on Google Hangout!### OpenHour is a weekly interactive seminar hosted by the Public Lab Community. Mondays at 8:00pm EST. The topics of open hour vary from presentations on tools and methods, discussions on environmental issues, to approaches to data-based advocacy. OpenHour is a great way to meet people in the Public Lab Community. See you at OpenHour! ###How To Join### Join on Google Hangout »
###Topic Schedule:###
**JULY 14:** Spectral Analysis Join us [here!](https://plus.google.com/events/cp03t0jqgptuvaseuvts7p3h4q0)
Next OpenHour we will be discussing Spectral Analysis, How can it be used? Where can the science of spectrometry take us in the future? We will be joined by: * [Jeff Warren](http://publiclab.org/profile/warren), Public Lab Research Coordinator, who will be discussing spectrometry, and it's applications for oil sampling. * [Amy Soyka](http://publiclab.org/profile/amysoyka) who will discuss color theory and her project to testing dust and water samples from the Latrobe valley following a mine fire! Come! Bring your research, your ideas and your questions and join us for [OpenHour](https://plus.google.com/events/cp03t0jqgptuvaseuvts7p3h4q0)
**JULY 21:** Open Water / Riffle / Potentiostat **JULY 28:** Open Air / Particulate Sensing ###Past OpenHours### **JULY 7:** Missed the event? See it [here!](https://www.youtube.com/watch?v=jqUIjRsj8hA) Near-Infrared Imaging This week on OpenHour we discussed Near-Infrared Imaging and infragram.org!
[Ned Horning](http://publiclab.org/profile/nedhorning) and Dorn Cox also joined covering topics of: * The science and technology behind NIR, * Examples of it in use, and * Where this technology could head in the future! **JUNE 30:** Missed the event? See it [here!](https://plus.google.com/events/c7sjmsp6kreljt3itt39kmiip0c)
Aerial mapping and new collaborative map developments! Learn about aerial photography and mapknitting. Hear about a new software development and ways use maps to tell stories through text, images, multimedia and annotations. See community case studies that apply these tools to projects, and help shape the future of mapmaking in your community! During this OpenHour we heard from: * [Mathew Lippincott](/profile/mathew) on Aerial Photography and Mapknitting * Justin Manley on New updates to coming to Mapknitter.org * [Scott Eustis](/profile/eustatic) on mapping the [Barataria](/wiki/barataria-bay-mapping-project) * [Nicholas Johnson](/profile/nicholas) and [Bronwen Densmore](/profile/bronwen) on mapping [Freshkills Park](/notes/nejohnson2/06-17-2013/itp-camp-fresh-kills) and [Dead Horse Bay](/notes/bronwen/11-03-2013/attempted-kite-mapping-at-dead-horse-bay)! **Propose new sessions on the [Talk page](http://pad.publiclab.org/p/openhour).** To learn about other types of events, see [publiclab.org/events](/events)