25/11/2006

Researchers make world's smallest piano wire

Researchers from Delft University of Technology and FOM Foundation (Netherlands) have successfully made and 'tuned' the world's smallest piano wire. The wires are made of carbon nanotubes that measure approximately 2 nanometers ...

Impact of climate change in Africa

Africa is the continent that will suffer most under global warming. Past history gives us lessons on the likely effects of future climate change. Of greatest concern are the 'large infrequent disturbances' to the climate ...