Thank You Lippman Co.
**Lippman Co. party supplies **gave me a business discount and two free days of tank rental on helium, thanks!
Recent Posts
Solar Blimp to Cross English Channel
While I’m preparing for a workshop where we’ll build some solar hot-air balloons, a very different solar aerostat, running of photovoltaics, is set to cross ...
Helium Dispersion Through HDPE
In conversations on the Grassroots Mapping google group we’ve been wondering how long a homemade Polyethylene helium balloon could stay aloft. At what rate ...
Thank You Kite Studio
A huge thanks to Kite Studio, who just gave me a free shipping upgrade so we could have enough supplies for our workshop this Saturday!
Grassroots Mapping @ Gallery Homeland 6/26
Click here for a print-quality image.