October 02, 2002 -
Radioactive battery provides decades of power -
NewScientist.com news service, Tiny batteries that draw energy from
radioactive isotopes could provide 50 years of power for micro-devices
and electronics, its inventors say. The battery is fuelled by the
radioactive isotope nickel-63. "It might be possible to make really tiny
microelectronic sensor systems that can be embedded in a building or
even in the body," says Amil Lal, who developed the system with
colleagues at Cornell University, New York...
October 11, 2002 -
Urban Sprawl: the Big Picture - NASA, Earth-orbiting satellites are collecting
valuable data that reveal the environmental impact of fast-growing
cities. While space technology was undergoing its spectacular birth
during the 1950s and '60s, and visionaries were predicting the spread
of human colonies into space, another kind of human colony was
spreading rapidly--right here on Earth! ...
October 02, 2002 -
Species at risk of extinction
growing -
NewScientist.com news service,
The number of species close to
extinction has been increased by
124 in the 2002 update the "Red
List", the International Union
for Conservation of Nature's
catalogue of threatened
species...
Archive
of Environmental News - October
2002
