23-01-18 Its morning, everyone! Peach was stretching her arms, the first one awake in the tank. Todays the day. The sun is shining, the tank is clean, and we are getting out of Suddenly she gasped. The tank was clean? Moments later, everyone gathered at the...

14-10-13 Mineral coatings on sand particles actually encourage microbial activity in the rapid sand filters that are used to treat groundwater for drinking, according to a paper published ahead of print in Applied and Environmental Microbiology. These findin...

10-10-21 A research team from Nanyang Technological University (NTU) has successfully designed the world's smallest on-chip（芯片上的） low-pass filter which is 1,000 times smaller than existing off-chip filters. A low-pass filter is a circuit that allows lo...

10-09-02 A group of researchers in South Africa has developed a filter that can purify water straight from the bottle. 南非一组研究人员发明出一种可直接在瓶子中使水净化的过滤器。 The filter looks like a tea bag but contains material that block harmful chemica...

09-12-16 Australia intends to introduce filters which will ban access to websites containing criminal content. 澳大利亚打算引入可以禁止登录含有犯罪内容网站的过滤软件。 Some internet users are deeply opposed to web censorship The banned sites will be selected...