Without its ‘Two Leaves’ Symbol, AIADMK Stands to Lose Traditional Vote Bank to AMMK

The noise from loudspeakers attached to campaigning vehicles, usually auto rickshaws, is deafening during election time in Tamil Nadu. Traditionally, the AIADMK campaign vehicles will play old MGR songs that were penned to project his politics, like “nann ungal veetu pillai” (I am a son from your house). Dravida Munnetra Kazhagam (DMK) would play revolutionary … Read more

Why Roman concrete still stands strong while modern version decays

Their structures are still standing more than 1,500 years after the last centurion snuffed it: now the Romans’ secret of durable marine concrete has finally been cracked. The Roman recipe – a mix of volcanic ash, lime (calcium oxide), seawater and lumps of volcanic rock – held together piers, breakwaters and harbours. Moreover, in contrast … Read more