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Hear how engineers and technologists are creating for good out in the world.

 

TSA Administrator John Pistole has announced his intention to retire at the end of the year for a job at Anderson University. Pistole, with a little more than four years in the top TSA job, is the longest serving administrator. He is credited with implementing a more "risk-based" approach to transportation security, including the popular Trusted Traveler and PreCheck programs that allow enrollees speedier trips through security lines.

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Engineers have shown a new way to reverse or eliminate loss by, ironically, adding loss to a laser system to actually reap energy gains. To help laser systems overcome loss, operators often pump the system with an overabundance of photons, or light packets, to achieve optical gain. But now engineers have shown a new way to reverse or eliminate such loss by, ironically, adding loss to a laser system to actually reap energy gains. In other words, they've invented a way to win by losing.

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Researchers have constructed graphene into porous 3D structures for applications in devices such as batteries and supercapacitors.

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Today's smartphone user can obtain a lot of data about his or her health, thanks to built-in or separate sensors. Researcher Harm op den Akker of the University of Twente (CTIT Institute) now takes this health monitoring to a higher level. Using the system he developed, the smartphone also acts as an 'activity coach': it advices the user to walk or take a rest. In what way the user wants to be addressed, is typically something the system learns by itself. Op den Akker conducted his research at Roessingh Research and Development in Enschede. October 17, he defends his PhD-thesis.

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Alternative chemicals, more effective insect controls are available

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Canada-based Williams was an expert in microclimate impacts on building performance; Podolny, a former FHWA senior structural engineer, was a bridge design guru; Hines led the school design practice at Connecticut structural firm, The DiSalvo Engineering Group

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I wrote the following code to make an AJAX post request to a function in my controller,

Code:
$.ajax({
url:"{{ URL::route('res_data') }}",
type:"POST",
data:{candidate:{{ json_encode($name)}}, ans : ans_array, stamps: timestamp,set:{{ $ques[0]->setnumber }}, total:{{ count($ques)}}}}).done(function(data){
console.log(data);}).fail(function(jqXHR, ajaxOptions, thrownError){
console.log(jqXHR);
console.log(ajaxOptions);
console.log(thrownError);});
The problem I face is the candidate key...

jquery AJAX call (Laravel 4 PHP): Unable to retrieve data on my Controller

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Nuclear proponents say that extending plants’ lifetimes is more economical — and a better way to hold down carbon dioxide emissions — than building new plants.

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