Designers of interactive television seem to inhabit a different reality than the people who care about TV.
Declare independence from the electrical grid! Microturbines and fuel cells can generate premium juice 24/7.
Researchers investigate recirculating water from fish farms, and moving them farther offshore.
Solid-acid fuel cells may prove a flexible power source.
New isn't necessarily better. The attic of discarded technologies contains objects whose simplicity and elegance have never been replaced.