The Flying Saucer At Sunset

Lenticular clouds (Altocumulus lenticularis) are stationary lens-shaped clouds with a smooth layered appearance that form in the troposphere, usually above mountain ranges. One was spotted in Singapore recently...

Don't Let That Branch Fall On Me! - Detecting Tree Failure

Singapore June 2013 Tall trees in some parts of Singapore are being replaced more speedily with shorter, smaller species to reduce the risk of falling branches and trees toppling over. (Straits Times, 19 May 2013) There were 122 uprooted trees from January to April this year. This was a drop from 184 trees in the same period last year but more than double the 63 in 2009. (Asia One, 21 May 2013)  The highest number was in 2011, when 636 trees...