More photos here.
Take a deep breath
This sounds promising: “Georgia Tech researchers have created a new combustor (combustion chamber where fuel is burned to power an engine or gas turbine) designed to burn fuel in a wide range of devices – with next to no emission of nitrogen oxide (NOx) and carbon monoxide (CO), two of the primary causes of air …
E-noses
Humans have always enhanced their senses with technology. We can’t hear as well as cats, or see as well as hawks, but with parabolic microphones and binoculars, we make up for it. One sense has lagged in technological enhancement: smell. In the mammalian nose, smelling takes place in tissue called the olfactory epithelium. We have …
Robert J. Sawyer on space colonization
Robert J. Sawyer has an op-ed in the Ottawa Citizen in response to Stephen Hawking’s call for space colonization, a call, you’ll recall (is that one too many calls?) that I agreed with. We need to move into space to protect our species from the threats that could extinguish us as long as we’re confined …

