Diseases
Water can be disinfected simply by exposing plastic water-filled bottles to the sun. The length of time needed varies with the climate from six hours to two days. The technique is recommended by the World Health Organisation and used by over two million people. Water distillation demonstration in Indonesia (Creative commons photo ex Wikimedia)
When populations increase and come into contact with other population, they often encounter diseases for which they have no immunity – and the results can be devastating. There are many examples. In 430 BC when the Athenians encountered the Persians in the Peloponnesian Wars, they also encountered typhoid fever which killed a quarter of the population of Athens in the next four years. Around 165 AD, Roman soldiers returning from the Middle East brought smallpox to Italy – and five million people died from the disease. In the 530s, Justian’s Byzantine armies conquered North Africa. In 541, bubonic plague, probably … Continue Reading
Videos
Renewables News- Dysol Aiming to Print Storage with Solar CellsAustralia's Dyesol Limited has acquired an equity stake in Printed Power Pte Ltd, a spinoff company of Nanyang Technological University in Singapore. Printed Power is focussing on integrating dye solar cell technology with printed storage and power management systems to … Continue Reading → […]
- CSIRO Printer Makes 10m of Solar Cells a MinuteCSIRO researchers have built a gigantic printer that spits out solar cells at a rate of about ten metres a minute. The printer system uses existing technology to embed polymer solar cells (also known as organic solar cells) in thin … Continue Reading → […]
- New Aussie Technology to Clean Polluted WaterScientists from Deakin University, together with French colleagues, say that they have manufactured a lightweight and reusable material that can absorb up to 33 times its weight in a wide range of spilt oils, chemical solvents and dyes, while repelling … Continue Reading → […]
- Dysol Aiming to Print Storage with Solar Cells
