51勛圖厙

(a literal px value that does NOT // change when the primary row collapses). The collapsed bar then // simply overlays the content like any fixed header rather than // resizing the document on scroll. Non-toc-bar pages keep using the // live offsetHeight (their masthead height never changes on scroll). if (hasTocBar) { var fullMastheadHeight = parseFloat( getComputedStyle(document.body).getPropertyValue('--wdg-masthead-height') ); document.body.style.paddingTop = (fullMastheadHeight > 0 ? fullMastheadHeight : header.offsetHeight) + 'px'; } else { document.body.style.paddingTop = header.offsetHeight + 'px'; } } updateHeaderState(); // Attach the scroll listener for hero pages (transparent/solid toggle) and // for any page with the in-masthead submenu bar (so it still collapses to // the toc-bar on scroll even though it stays solid). if (isHero || hasTocBar) { window.addEventListener('scroll', updateHeaderState, { passive: true }); // Safety re-sync: a fast/programmatic jump to the top (browser scroll // restoration on back-nav, a "scroll to top" action, anchor jumps, // etc.) can land with coalesced scroll events so the final handler // run reflects a stale position, leaving the logo/transparency out of // sync with the resting scrollY. `scrollend` fires once the scroll has // settled, guaranteeing one final correct update. Harmlessly ignored // by browsers that don't support it. window.addEventListener('scrollend', updateHeaderState, { passive: true }); } window.addEventListener('resize', updateHeaderState); // Marquee + in-masthead TOC: sticky-toc.js dispatches this when the // active TOC item changes so we can flip into / out of the forced // is-solid state immediately on click rather than waiting for the // next scroll/resize. window.addEventListener('wdg:toc-section-change', updateHeaderState); var searchOpenClass = 'is-search-open'; var searchModal = document.getElementById('search-modal'); function openSearchModal() { if (typeof window._searchModalOpen === 'function') { window._searchModalOpen(); } document.querySelectorAll('.js-search-toggle').forEach(function(btn) { btn.classList.add(searchOpenClass); btn.setAttribute('aria-expanded', 'true'); }); } function closeSearchModal() { if (typeof window._searchModalClose === 'function') { window._searchModalClose(); } document.querySelectorAll('.js-search-toggle').forEach(function(btn) { btn.classList.remove(searchOpenClass); btn.setAttribute('aria-expanded', 'false'); }); } document.querySelectorAll('.js-search-toggle').forEach(function(btn) { btn.addEventListener('click', function(e) { e.preventDefault(); if (searchModal && searchModal.classList.contains('is-open')) { closeSearchModal(); } else { openSearchModal(); } }); }); var mobileSearchBtn = document.querySelector('.js-mobile-search-open'); if (mobileSearchBtn) { mobileSearchBtn.addEventListener('click', function(e) { e.preventDefault(); var mobileOverlay = document.getElementById('mobile-menu'); if (mobileOverlay) { mobileOverlay.setAttribute('aria-hidden', 'true'); mobileOverlay.classList.remove('is-open'); } openSearchModal(); }); } function updateAdminBarState() { var ab = document.getElementById('wpadminbar'); if (!ab) return; var rect = ab.getBoundingClientRect(); var hidden = rect.bottom <= 0; document.body.classList.toggle('adminbar-hidden', hidden); } updateAdminBarState(); window.addEventListener('scroll', updateAdminBarState, { passive: true }); window.addEventListener('resize', updateAdminBarState); })();

Innovation and Technology

How Quantum Computing Can Combat Forever Chemicals

October 13, 2023

superpositioning and quantum entanglement, quantum can look at all possibilities at once and come back with an answer very quickly, she added. However, some of the best solutions are a product of both classic computers and quantum, an option known as hybrid applications. For example, Davidson Technologies collaborated with D-Wave to create a hybrid solution …

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51勛圖厙

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