the global 3000 talks with team british researchers who take a more optimistic view. the world is not always a good plan but it s much much better than i was. really getting better. a global $3000.00 special reports. start august 19th on digital. welcome to tomorrow today the science show on t w coming up alexander from home but was born 250 years ago we follow in the footsteps of the great scientist and explorer. the tablo physique is one of hubbard s most important creations it
contains in consistencies as scientists have found out. and we had to fire back where hobart studied mining technology now researchers there are working on new ways of extracting metals. he wanted to see the world in its entirety at a time when europeans saw themselves as a period to other peoples and cultures aleksandr from home but sought personal contact his famous expedition to the americas revealed to him how everything was connected. multifaceted scientist explorer humanist combat is considered one of
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Yes at the buddhist this carnival this one of the mining academies most famous students he looked for minerals not just here in freiburg but all over the world and bed. then it s now the minerals have to be separated from the surrounding rock . ready in freiburg who would learn the techniques for doing it in the much time it s how to crush the rock for example by using stem cells to break down the rock from the or mountains all we needed were methods for separating the larger pieces so. that made it possible to extract silver iron and. minarets like germanium indium and during our earth are a different story today we need them for when turbines electric car batteries and
Government. the mighty waters of the colorado were running unused to the sea. today we translate them into a great national possession. this is an engineering victory of the first order. another great achievement of american resourcefulness, american skill and america determination. the cop instruction of the hoover dam led to the creation of lake mead, a manmade reservoir that holds enough water to flood the state of colorado with a foot of water. now it has dropped to a record low. when it is below capacity, you can see the equivalent of a bathtub ring on the surrounding rock. the shortage is primarily due to a one-two punch of a growing regional population and severe drought. that s bad news for the 40 million people who rely on the water in the colorado river basin including the cities of las vegas and los angeles. and things could get worse.