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Bullfrog Films
P.O. Box 149
Oley, PA 19547
Tel: 610/779-8226
Fax: 610/370-1978
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Technology DVDs & Videos
- Aboriginal Architecture
New structures in seven North American Native communities that reinterpret traditional forms for contemporary purposes.
- All Mapped Out
The Rough Scientists make a map, paper and ink, and a sound-recording device.
- Arid Lands
A moving and complex essay on a unique landscape of the American West, the area around the Hanford Site in Washington State.
- Blue Vinyl
Filmmakers Judith Helfand and Daniel B. Gold use humor and chutzpah in their search for the environmental truth about vinyl.
- Blue Vinyl (Short Version)
Filmmakers Judith Helfand and Daniel B. Gold use humor and chutzpah in their search for the environmental truth about vinyl.
- Bugs and Barometers
The Rough Scientists make anti-bacterial cream, a microscope, and a weather station.
- Build Green
David Suzuki reports on green building, from large community developments to mini-homes.
- Building the Brookhaven House
D.O.E.'s prototype passive solar home.
- The Car
Automobiles designed for recycling.
- Community - Planet Neighborhood
Community regeneration, energy-efficient design, and waste water treatment.
- Crapshoot
Looks at the failure of our current sewage disposal system and presents alternatives.
- Design with the Sun
Take a tour of passive solar homes and buildings.
- Drowned Out
An Indian family chooses to stay at home and drown rather than make way for the Narmada Dam.
- The Ecological Footprint
Dr. Mathis Wackernagel introduces the Ecological Footprint, a resource accounting tool that measures human demand on the Earth.
- Ecology Workshop Series
Six inspiring progams showing ecological principles in action.
- Expedition Earthscope
America's turbulent geologic story and earth scientists' biggest push yet to uncover its deepest secrets.
- Feel the Heat
The Rough Scientists make ice, a thermometer and sunblock.
- GoodWood
Forest communities can have both jobs and trees.
- The Greening of Southie
The story of Boston's first LEED-certified residential green building, and the people who made it possible.
- Home
Green technology and innovative design save energy.
- Homeland
Tells the inspiring story of four battles in which Native American activists are fighting to preserve their land, sovereignty, and culture.
- Homeland (Short Version)
A shorter version of the inspiring story of four battles in which Native American activists are fighting to preserve their land, sovereignty, and culture.
- How Do They Do That?
Daniel learns how a road is built, creates stop motion animation, invents a toy, learns about visual effects, and tours an airport.
- Mediterranean Mystery
The Rough Scientists work out their latitude and longitude, make insect repellent, and a radio from an old saucepan.
- The Next Industrial Revolution
Architect Bill McDonough and chemist Michael Braungart bring together ecology and human design.
- No Spare Parts
Ingenious recycling of used car parts in Ghana.
- Patently Obvious
International patent regulations only protect multinationals.
- Peanuts
A hand-operated peanut-sheller makes a difference in the lives of villagers around the world.
- Planet Neighborhood
The latest in energy saving technology and good design.
- Planet Neighborhood: Classroom Modules
Middle school science series on energy-efficiency and good design.
- Power Supplies
The Rough Scientists produce electricity and create a small pharmacy.
- Rammed Earth Construction
Beautiful examples of rammed earth construction.
- Rough Science
10-part series in which five scientists on a tropical island cooperate to solve a series of scientific challenges using only their knowledge, ingenuity, and whatever is at hand.
- Rough Science (DVD Version)
The entertaining 10-part science series on 3 DVDs
- Rough Science DVD Disc 1
Episodes 101-103 of the entertaining science series.
- Rough Science DVD Disc 2
Episodes 104-106 of the entertaining science series.
- Rough Science DVD Disc 3
Episodes 107-110 of the entertaining science series. All shot on the island of Capraia in the Mediterranean.
- Science
Daniel makes paper, learns about electricity, visits a science center, learns about dinosaurs, and taking pictures.
- The Science of Celebration
The Rough Scientists make fireworks and some musical instruments.
- Secrets of Silicon Valley
Shocking exposé of the hidden downsides of the Internet revolution.
- The Shoreline Doesn't Stop Here Anymore
Coastal erosion and our mostly futile efforts to hold the ocean at bay.
- A Sidewalk Astronomer (Short Version)
John Dobson has revolutionized astronomy and helped thousands to look in wonder at their own universe.
- A Sidewalk Astronomer
John Dobson and his simple telescope mount have revolutionized astronomy.
- Simmering Shutterbugs
The Rough Scientists devise a camera, make a compass, and dye a flag.
- Special Things To Make
Daniel builds his own robot and makes a birdhouse, an animal totem, a puppet, and soap.
- Sun and Sea
The Rough Scientists build an underwater light and generate electricity to top up a battery.
- Sustenance and Sayonara
The Rough Scientists make soap and toothpaste, and put food on the table.
- Talk Mogadishu
The story of HornAfrik, the first community TV and radio station in Somalia.
- This is Daniel Cook
13-part series in which Daniel Cook explores the world around him through his own candid questions.
- This is Daniel Cook Series 2
Second 13-part series in which Daniel Cook explores the world around him through his own candid questions.
- This is Emily Yeung
13-part children's series in which the delightful 6-year-old Emily explores the world around her.
- Thrills and Chills Pt. 1
Daniel goes go-carting, rides a rollercoaster, and visits a theme park, a water park, and a stunt show.
- Time and Transmitter
The Rough Scientists build a transmitter, make a portable clock, and a botanical kite.
- Turning Down The Heat
Renewable energy sources and energy conservation are the solution to global warming.
- Wetlands Technology
Artificial wetlands purify waste water.
- Work
Energy-efficient skyscrapers, controlling waste, and innovative automobile design and recycling.
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