A study of 61 million Facebook users finds that using online social networks to urge people to vote has a much stronger effect on their voting behavior than spamming them with information via television ads or phone calls. via 'Social Voting' Really Does Rock the Vote – ScienceNOW.
During their research, they used water-repellent ferrous nanoparticles mixed in with the oil, in order to separate it later with magnets. The amazing part is that once the nanoparticles are magnetically removed from the oil, they can then be reused. via MIT Develops a Way to Magnetically Separate Oil From Water | Inhabitat – Sustainable Read more about MIT Develops a Way to agnetically Separate Oil From Water[…]