Scientists at MIT have found a way to make cheap water filters, made from the sapwood of white pine trees. It can filter out 99 percent of E.Coli from contaminated water.
Sapwood is simply the part of a tree where sap flows. It has millions of pores big enough to let water pass while trapping bacteria. It will filter anything that's 70 nanometers or larger. Most bacteria is larger than 200 nanometers.
Co-author of the study Rohit Karnik explains, "today’s filtration membranes have nanoscale pores that are not something you can manufacture in a garage very easily. The idea here is that we don’t need to fabricate a membrane, because it’s easily available. You can just take a piece of wood and make a filter out of it."
For business owners and major corporations alike, one of the biggest concerns in moving product and making sales has always been visibility. In order to convince people to pay for your service of purchase your product, you must first make a positive impression on potential customers. Read more
The growth of social media has changed the way businesses and individuals see communication and entertainment. For business owners, social media platforms offer a host of opportunities, from brand-building to engaging customers. Researches say that individuals on social media are perceived receptive, especially when these users are active on these platforms for hours each day. Read more
There is no doubt that over recent years we have all become extremely reliant on mobile technology. People these days have not just one but multiple mobile devices to their names. It’s not just adults that have them either, as it was in years gone by. These days, youngsters that have not even reached their teens have mobile devices that they use on a daily basis. So, what exactly is behind this obsession? Read more