As a Philip Morris executive said in an internal memo in 1966, the illusion of filtration is as important as the fact of filtration.[12] In 1976, Ernest Pepples, vice-president and General Counsel for Brown & Williamson, wrote that despite the industry claims made about filter cigarettes, in most cases, the smoker of a filter cigarette was getting as much or more nicotine and tar as he would have gotten from a regular cigarette.[13] At the same time, company lawyers were concerned about the reputation of their non-filter brands, which, by implication, were more dangerous
doi:10.1016/0042-6822(57)90038-7
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Solar spray Scientists at Sheffield have made another leap forward in the realms of renewable energy with the development of spray-on, highly efficient solar cells.The researchers have discovered a way to spray perovskite, a promising new solar technology that combines high efficiency with low production costs.Spray painting this material is a new development that means very little is wasted, and can be scaled up to high volume manufacturing, like spraying paint onto a car.There is a lot of excitement around perovskite based photovoltaics," said lead researcher Professor David Lidzey.Perovskite cells now have efficiencies of up to 19 per cent
Images: Sutton Images (Facebook / Twitter) It used to be called taking a smoko, here in Aus
