Detailed text transcripts for TV channel - DW - 20180410:12:55:00
A looking for alternatives for example using fly ash a by product produced by coal combustion. we have re-invented of the mother making and thinking of this experience and within it in the new congress and that's has been very interesting looking into the past and for me for the new concrete there of the future naturally future construction materials are expected to be more first to tile than ancient cement the romans may have invented lightweight cement cement that can light up that's pretty cool too. for more from the world of science visit our web site and don't forget to get in touch with ...