Going to look like 50 kilometer prison wall in order to build the wall President Trump declared a state of National Emergency here on the border now that together with other legal loopholes has allowed the government to completely disregard numerous laws designed to protect environmentally sensitive areas like this environmentalists have taken the administration to court in an effort to slow or halt construction but for now the wall marches relentlessly forward. Rob reynolds aljazeera near solenoid mexico. Now an american scientists who identified one of the key materials and rechargeable batteries has become the oldest Nobel Laureate in history 97 year old john b. Good enough discovered let him cobalt oxide as a useful material back in 1979 hell be sharing the prize with russians and stanley was again who developed an early patient for the batteries and would japans ikea yoshino whose work made unsafe more efficient and less expensive john good enough had a press conference shortly af