(Phys.org) -- NASA is clearly looking far into the future for a way to handle both human waste and a need for fuel on either long space flights or when attempting to colonize another planet. To that end, they’ve assigned ...
A polymer is a mesh of chains, which slowly break over time due to the pressure from ordinary wear and tear. When a polymer is squeezed, the pressure breaks chemical bonds and produces free radicals: ions with unpaired electrons, ...
Polymers
Mar 2, 2012
2
0
China will expand a ban on free shopping bags, state media said, as it tries to further curb its addiction to plastic in a bid to rid the country of "white pollution" that clogs waterways, farms and fields.
Environment
May 29, 2011
7
0
With each European using 500 plastic bags per year, and tonnes of plastic littering the Mediterranean, the European Commission may ban them from stores or tax them to combat pollution.
Environment
May 18, 2011
9
0
The Earth Hour global movement to help fight climate change is going beyond asking people to turn off their lights to making firm commitments to protect the environment, organisers said Wednesday.
Environment
Mar 2, 2011
1
0
(PhysOrg.com) -- Plastic bags help you carry your groceries home, they make excellent liners for smaller-sized trash cans, and now they can help you to heat your home. A Japanese inventor has found a way to convert plastic ...
Use of plastic bags is a growing global environmental problem. As a result, the bags are becoming subject to various regulations in an increasing number of countries, with mixed results. An environmental-economic evaluation ...
Social Sciences
Nov 30, 2010
0
0
(PhysOrg.com) -- About 40 percent of the earth’s population, or 2.6 billion people, do not have access to a toilet, according to United Nations. The unsanitary conditions have resulted in contaminated drinking water that ...
The practice of sterilizing medical tools and devices helped revolutionize health care in the 19th century because it dramatically reduced infections associated with surgery. Through the years, numerous ways of sterilization ...
General Physics
Nov 9, 2009
1
0
A group of conservationists and scientists is due to set sail for an obscure corner of the Pacific Ocean in the coming months to explore a vast swirl of waste known as the "Plastic Vortex."
Earth Sciences
May 25, 2009
37
0
