fortas off we'll have the materials we've brought with us and there's this basaltic samples but what we can build out of basaltic sand is relatively simple bricks or walls by heating the material or baking what if we can go one step further and produced results a glass from the material. schleppy uses an ordinary microwave oven to make glass from the moon sand simulant. he grinds the molten regolith which is turned into glass as smoothly as possible so huge the glass brick still needs a reflective surface. this is made in the final and most complicated part of the mirror production process on the moon there is an endless that q but here it has to be created artificially. fixes the glass elements which have been produced in recent weeks onto the frame of the vacuum chamber. before he seals it he adds one small piece of aluminum which is heated and then evaporates distributing millions of tiny particles. the glass is different but the aluminum is the same type we use for normal mirrors it's looking pretty good now it's not transparent anymore so we can slowly turn off the system throug

and this is an enormous source of pressure not just forta humaan regions but turkey has closed the borderople are fleeing fighting havo here to go. what i understand that turkey and russia have now negotiatedin someof aned? ing that cities immediately in the path of this offensive may actually be turned over to the regime to fall under joint russian-turkish patrols precisely to mitigate the pressure on turkey is accept new ways of refugees. >> woodruff: the fighting continues. thousands of internall displaced refugees.en stthe assad regi is in control. is it not, after eight years of fighting? >> yes. president trump has sa there's something but sand and death in syria this they can fight over it. unfortunately this has been the attitude, the europe is paying turkey, helping turkey subsided the building of a wall to contain these people inside, because turkey can't accept any more refugees. this is really the sad mmentary is that the world is turning away from syria today. it's not on the headlines. unit states has withdrawn 're preoccupied with impeachmt, elections and other things and s