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!