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  • Warning: Undefined array key 0 in amp_entity_view_alter() (line 156 of modules/contrib/amp/amp.module).
    amp_entity_view_alter(Array, Object, Object) (Line: 545)
    Drupal\Core\Extension\ModuleHandler->alter('node_view', Array, Object, Object) (Line: 304)
    Drupal\Core\Entity\EntityViewBuilder->buildMultiple(Array) (Line: 238)
    Drupal\Core\Entity\EntityViewBuilder->build(Array)
    call_user_func_array(Array, Array) (Line: 111)
    Drupal\Core\Render\Renderer->doTrustedCallback(Array, Array, 'Render #pre_render callbacks must be methods of a class that implements \Drupal\Core\Security\TrustedCallbackInterface or be an anonymous function. The callback was %s. See https://www.drupal.org/node/2966725', 'exception', 'Drupal\Core\Render\Element\RenderCallbackInterface') (Line: 788)
    Drupal\Core\Render\Renderer->doCallback('#pre_render', Array, Array) (Line: 377)
    Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 204)
    Drupal\Core\Render\Renderer->render(Array, ) (Line: 238)
    Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 583)
    Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 239)
    Drupal\Core\Render\MainContent\HtmlRenderer->prepare(Array, Object, Object) (Line: 128)
    Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
    Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
    call_user_func(Array, Object, 'kernel.view', Object) (Line: 111)
    Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 187)
    Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 76)
    Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
    Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
    Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 191)
    Drupal\page_cache\StackMiddleware\PageCache->fetch(Object, 1, 1) (Line: 128)
    Drupal\page_cache\StackMiddleware\PageCache->lookup(Object, 1, 1) (Line: 82)
    Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 48)
    Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
    Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 51)
    Drupal\Core\StackMiddleware\StackedHttpKernel->handle(Object, 1, 1) (Line: 704)
    Drupal\Core\DrupalKernel->handle(Object) (Line: 18)
    
  • Warning: Undefined variable $id in Drupal\cryptocompare\TwigExtension\RemoveSpace::getauthorlink() (line 3013 of modules/custom/cryptocompare/src/TwigExtension/RemoveSpace.php).
    Drupal\cryptocompare\TwigExtension\RemoveSpace::getauthorlink(Array) (Line: 343)
    __TwigTemplate_625426e732c5f7a66fde6d628d98a6b2->doDisplay(Array, Array) (Line: 394)
    Twig\Template->displayWithErrorHandling(Array, Array) (Line: 367)
    Twig\Template->display(Array) (Line: 62)
    __TwigTemplate_e934e56c1e459c359b150360c7169113->doDisplay(Array, Array) (Line: 394)
    Twig\Template->displayWithErrorHandling(Array, Array) (Line: 367)
    Twig\Template->display(Array) (Line: 379)
    Twig\Template->render(Array, Array) (Line: 40)
    Twig\TemplateWrapper->render(Array) (Line: 53)
    twig_render_template('themes/cryptod/templates/node.html.twig', Array) (Line: 372)
    Drupal\Core\Theme\ThemeManager->render('node', Array) (Line: 436)
    Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 204)
    Drupal\Core\Render\Renderer->render(Array, ) (Line: 238)
    Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 583)
    Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 239)
    Drupal\Core\Render\MainContent\HtmlRenderer->prepare(Array, Object, Object) (Line: 128)
    Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
    Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
    call_user_func(Array, Object, 'kernel.view', Object) (Line: 111)
    Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 187)
    Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 76)
    Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
    Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
    Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 191)
    Drupal\page_cache\StackMiddleware\PageCache->fetch(Object, 1, 1) (Line: 128)
    Drupal\page_cache\StackMiddleware\PageCache->lookup(Object, 1, 1) (Line: 82)
    Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 48)
    Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
    Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 51)
    Drupal\Core\StackMiddleware\StackedHttpKernel->handle(Object, 1, 1) (Line: 704)
    Drupal\Core\DrupalKernel->handle(Object) (Line: 18)
    

NASA and the ESA Explore Blockchain Possibilities for Space Missions

Wed, 21/02/2018 - 4:20
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NASA and the ESA Explore Blockchain Possibilities for Space Missions
Cover image via U.Today
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NASA and the European Space Agency (ESA) are looking into possible applications of Blockchain technology in space missions and administrative areas. The space agencies believe that Blockchain and distributed intelligence can be useful for space and ground network communications, smart contracts, auditing, and record keeping.

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