'+pages+'');
$('.stream > div:odd').addClass('bgr_color');
updateHeight('#history');
});
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var parts = (areas || '').split('/');
window.fsonload = $.inArray('fs', parts) >= 0;
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parts.splice(parts.indexOf('fs'), 1);
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parts.splice(parts.indexOf(replayMode), 1);
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parts.splice(parts.indexOf(noSoundMode), 1);
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parts.splice(parts.indexOf(previewMode), 1);
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if(!parts.length){
parts = ['1-14', '999:59'];
}
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var page = parseInt(area || '1') || 1;
$.ajax({
url: 'https://login.wn.com/recent/json/?pp='+history_pp+'&skip='+history_pp*(page-1),
dataType: 'jsonp',
success: function(response){
$ensure(function(){
renderHistory(response, page);
});
}
});
return true;
}
if(tab == 'global_history' && false){
var page = parseInt(area || '1') || 1;
globalHistory.fetchStream(page, '', function(){
updateHeight('#global_history');
});
return true;
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var page = parseInt(area || '1') || 1;
myPlaylists.fetchStream(page, '', function(){
updateHeight('#my_playlists');
});
return true;
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if(tab == 'my_videos' && false){
var page = parseInt(area || '1') || 1;
myVideos.fetchStream(page, '', function(){
updateHeight('#my_videos');
});
return true;
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var seconds = parsePosition(areas);
scrollRelated(seconds);
return false;
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area = parts[0];
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var num = parseInt(area);
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//FIX ME. Load news page with ajax here
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//FIX ME. Load timeline page with ajax here
}
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var playerId = parseInt(tab.substring(8));
var vp = videoplayers[playerId];
window.descriptionsholder = $('.descriptionsplace');
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$('.replaycurrent'+playerId).attr('checked', true);
vp.setReplayCurrent(true);
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var playQueue = [];
window.playQueue = playQueue;
var playQueuePosition = 0;
var playShouldStart = null;
var playShouldStop = null;
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var results = [];
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var action = parseAction(vp, items[i]);
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if(window.console && console.log) console.log("Warning: No video for queued entry: " + items[i]);
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results.push(action);
}
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if(window.console && console.log) console.log("Warning: Can''t parse queue entry: " + items[i]);
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var el = vp.playlistContainer.find('>li').eq(ppos);
var par = el.closest('.playlist_scrollarea');
par.scrollTop(el.offset().top-par.height()/2);
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vp.setVolumeMute();
noSoundMode = 'turn-on';
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vp.playFromPlaylist(playPosition.video);
scrollToPlaylistPosition(vp);
playShouldStart = playPosition.start;
playShouldStop = playPosition.stop;
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clog("Advancing play position...");
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playQueueUpdate();
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playQueuePosition = 0;
playQueueUpdate();
vp.seekTo(playShouldStart);
vp.playVideo();
}else{
vp.pauseVideo();
playShouldStop = null;
playShouldStart = null;
}
};
function loadMoreVideos(playerId, vp, start, finish, callback){
var playlistInfo = playlists[playerId-1];
if(playlistInfo.loading >= finish) return;
playlistInfo.loading = finish;
$.ajax({
url: '/api/upge/cheetah-photo-search/query_videos2',
dataType: 'json',
data: {
query: playlistInfo.query,
orderby: playlistInfo.orderby,
start: start,
count: finish-start
},
success: function(response){
var pl = vp.getPlaylist().slice(0);
pl.push.apply(pl, response);
vp.setPlaylist(pl);
callback();
}
});
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if(parts.length == 1 && matchDash(parts[0])){
var pl = vp.getActualPlaylist();
var vids = parseDash(parts[0]);
parts = [];
for(var i = 0; i < vids.length; i++){
playQueue.push({
'video': pl[vids[i]-1],
'start': 0,
'stop': null
})
}
if(vids.length){
if(vids[vids.length-1]-1>=pl.length){
loadMoreVideos(playerId, vp, pl.length, vids[vids.length-1], function(){
if(fsonload){
activateTabArea(tab, parts[0]+'/fs');
}else{
activateTabArea(tab, parts[0]);
}
var pls = vp.getPlaylist();
vp.playFromPlaylist(pls[pls.length-1]);
vp.playVideo();
scrollToPlaylistPosition(vp);
});
return true;
}
}
if(playQueue){
playQueueUpdate();
vp.playVideo();
parsed = true;
playShouldStart = 0;
}
}
if(previewMode){
var vids = [];
var dur = 0;
var pl = vp.getActualPlaylist();
area = parts[0];
if(parts.length == 1 && matchPosition(parts[0])){
vids = parseDash('1-'+pl.length);
dur = parsePosition(parts[0]);
parts = [];
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if(parts.length == 1 && matchDash(parts[0])){
vids = parseDash(parts[0]);
dur = parsePosition("999:59");
parts = [];
}
if(parts.length == 2 && matchDash(parts[0]) && matchPosition(parts[1])){
vids = parseDash(parts[0]);
dur = parsePosition(parts[1]);
parts = [];
}
for(var i = 0; i < vids.length; i++){
playQueue.push({
'video': pl[vids[i]-1],
'start': 0,
'stop': dur
})
}
if(playQueue){
playQueueUpdate();
vp.playVideo();
parsed = true;
}
}
if(parts.length>1){
for(var i = 0; i < parts.length; i++){
var sel = findMatchingVideo(vp, parts[i]);
if(sel){
playQueue.push({
'video': sel,
'start': 0,
'stop': null
})
}
}
if(playQueue){
playQueueUpdate();
vp.playVideo();
parsed = true;
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}else if(area){
var sel = findMatchingVideo(vp, area);
if(sel){
vp.playFromPlaylist(sel);
playShouldStart = 0;
parsed = true;
}
}
if(fsonload || replayMode){
playShouldStart = 0;
}
if(document.location.search.match('at=|queue=')){
var opts = document.location.search.replace(/^\?/,'').split(/&/g);
for(var o in opts){
if(opts[o].match(/^at=(\d+:)?(\d+:)?\d+$/)){
playShouldStart = parsePosition(opts[o].substr(3))
}
if(opts[o].match(/^queue=/)){
playQueue = parseList(opts[o].substr(6));
if(playQueue){
playQueuePosition = 0;
playQueueUpdate();
}
}
}
}
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playShouldStart = parsePosition(parts[1]);
parsed = true;
}
if(matchAction(parts[1])){
var action = parseAction(vp, area+'/'+parts[1]);
playShouldStart = action.start;
playShouldStop = action.stop;
parsed = true;
}
if(playShouldStart !== null && !playQueue.length){
playQueue.push({
video: vp.getCurrentVideo(),
start: playShouldStart,
stop: playShouldStop
});
}
if(playShouldStart != null){
setInterval(function(){
if(playShouldStop && vp.currentPlayer && vp.currentPlayer.getCurrentTime() > playShouldStop){
playShouldStop = null;
if(vp.getCurrentVideo() == playQueue[playQueuePosition].video){
playQueueAdvancePosition();
}else{
playShouldStart = null;
}
}
}, 500);
vp.playerContainer.bind('videoplayer.player.statechange', function(e, state){
if(state == 'ended'){ // advance to the next video
playQueueAdvancePosition();
}
});
vp.playerContainer.bind('videoplayer.player.readychange', function(e, state){
if(state){
updateVolumeState();
if(playShouldStart !== null){
vp.seekTo(playShouldStart);
playShouldStart = null;
}else{
playShouldStop = null; // someone started other video, stop playing from playQueue
}
}
if(fsonload) {
triggerFullscreen(playerId); fsonload = false;
}
});
}
}
else if(tab.match(/^wiki\d+$/)){
if(firstTimeActivate){
load_wiki($('#'+tab), function(){
if(area){
var areaNode = $('#'+area);
if(areaNode.length>0){
$('html, body').scrollTop(areaNode.offset().top + 10);
return true;
}
}
});
}
}
return parsed;
})
window.activateTab = ensure(function(tab, area){
window.activeArea = null;
if(tab == 'import_videos'){
if(area){
import_videos(area);
}else{
start_import();
}
return true;
}
if(tab == 'chat'){
update_chat_position($('.chat').eq(0));
window.activeArea = 'chat';
jQuery('.tabtrigger').offscreentabs('activateTab', 'chat');
return true;
}
if(tab in rev_names){
tab = rev_names[tab];
}
if(tab.match(':')){ return false; }
var sup = $('ul li a[id=#'+tab+']');
if(sup && sup.length>0){
window.activeArea = area;
sup.first().click();
if(!window.activateTabArea(tab, area)){
window.activeArea = null;
}
window.activeArea = null;
return true;
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var have_tabs = $('#playlist_menu li').length;
if(tab.match(/^playlists?\d+$/)){
var to_add = +tab.substring(8).replace(/^s/,'')-have_tabs;
if(to_add>0 && have_tabs){
add_more_videos(to_add);
return true;
}
}
}
return false;
});
window.currentPath = ensure(function(){
return window.lastHistory.replace(basepath, '').split('?')[0];
});
window.main_tab = window.main_tab || 'videos';
window.addHistory = ensure(function(path){
if(window.console && console.log) console.log("Adding to history: "+path);
if(window.history && history.replaceState && document.location.hostname.match(/^(youtube\.)?(\w{2,3}\.)?wn\.com$/)){
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path = basepath;
} else if( path.match('^'+main_tab+'/') ){
path = basepath + '/' + path.replace(main_tab+'/', '').replace('--','/');
} else {
path = basepath + '/' + path.replace('--','/');
}
if(document.location.search){
path += document.location.search;
}
if(window.lastHistory) {
history.pushState(null, null, path);
}
else if(window.lastHistory != path){
history.replaceState(null, null, path);
window.lastHistory = path;
}
}
else{
path = path.replace('--','/');
if(path == main_tab || path == main_tab+'/' || path == '' || path == '/') {
path = '';
}
if(window.lastHistory != '/'+path){
window.location.hash = path? '/'+path : '';
window.lastHistory = '/'+path;
}
}
});
$('.tabtrigger li a').live('click', ensure(function() {
var tab = $(this).attr('id');
if(tab.substring(0,1) == '#'){
var name = tab.substring(1);
if(name in menu_names){
name = menu_names[name][0];
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realTab = rev_names[name];
$('#'+realTab).show();
if(window.console && console.log) console.log("Triggering tab: "+name+(window.activeArea?" activeArea="+window.activeArea:''));
var path = name;
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path = path + '/' + window.activeArea;
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$('.related_playlist').show();
$('.longest_videos_playlist').show();
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$('.multiple-playlists').hide();
$('.related_playlist').hide();
$('.longest_videos_playlist').hide();
}
// start the related script only when the tab is on screen showing
if (tab.match(/related_sites/)) {
if (mc) {
mc.startCredits();
}
}
window.activeTab = realTab;
addHistory(path);
setTimeout(ensure(function(){
if(tab.match(/language--/)){
$('.tabtrigger').offscreentabs('activateTab', 'language');
}
if(tab.match(/weather/)) {
$('.tabtrigger').offscreentabs('activateTab', 'weather');
loadContinent();
}
updateMenus(tab);
updateHeight();
}), 10);
}
return false;
}));
});
-->
');
} else {
var query = elem.find('.keywords').html();
$.ajax({
context: elem,
url: 'https://wn.com/api/upge/cheetah-search-adv/video',
cache: true,
data: {
'query': query
},
dataType: 'jsonp',
success: function(text) {
if (text.length > 0) {
video_id = text[0].id;
elem.find('.player').html('
VIDEO
');
}
}
});
}
}
var stopAllYouTubeVideos = function() {
var iframes = document.querySelectorAll('iframe');
Array.prototype.forEach.call(iframes, function(iframe) {
iframe.contentWindow.postMessage(JSON.stringify({ event: 'command', func: 'pauseVideo' }), '*');
});
}
jQuery(function() {
jQuery(".playVideo").live("click", function() {
if(!$(this).hasClass("played")){
stopAllYouTubeVideos();
var elem = $(this);
setTimeout(function(){
mouseOverMe(elem);
}, 1000);
}
});
jQuery(".description_box .expandContent").live("click", function() {
elem = $(this).parent().parent().parent().find('.descContent');
if(elem.height() > 51) {
elem.css('height', '44px');
$(this).html('Show More
');
}else{
elem.css('height', 'auto');
$(this).html('Hide
');
}
});
jQuery('.interview-play-off').click(function() {
$(".interview-play-off").hide();
$(".interview-play").show();
$(".videoplayer-control-pause").click();
});
jQuery(".video-desc .show_author_videos").live("click", function() {
query = $(this).attr('title');
container = $(this).parent().parent().parent().find('.video-author-thumbs');
$(this).parent().parent().parent().find('.video-author-thumbs').css('height', '220px');
jQuery.ajax({
url: '/api/upge/cheetah-photo-search/videoresults',
data: {'query': query},
success: function(text) {
if(!text) { text = i18n("No results"); }
container.html(jQuery(text));
}
});
});
});
// -->
Latest News for: 21 cm radiation
Edit
Hindustan Times
25 May 2024
This kind of radiation, known as the 21 cm signal, for its length, is emitted by galaxies when the atomic hydrogen present goes through levels of transition, before the formation of stars.
Edit
Phys Dot Org
01 Nov 2023
As a result, the only light is visible today as relic radiation from the Big Bang —the cosmic microwave background (CMB )—or as the 21 cm spectral line created by the reionization of hydrogen (aka the Hydrogen Line ).
Edit
Yahoo Daily News
20 Jun 2023
That expansion has stretched the wavelength of that 21-cm radiation, and today, it's now detectable in radio wavelengths ... There are more cosmological observations than the 21-cm signal ... The 21-cm ...
Edit
Slashdot
22 Jan 2023
Galaxies emit electromagnetic radiation, or light, across a wide range of radio wavelengths, but thus far 21-cm-wavelength radio waves have only been seen from nearby and thus more recent galactic sources.
Edit
Metro UK
20 Jan 2023
What makes this radio signal special is that it’s at a specific wavelength known as the ’21 cm line’ ... What is the '21 cm line'? ... So, astronomers use radio telescopes to pick up 21-cm line wavelength signals to try and map the universe.
Edit
Deccan Herald
29 Nov 2022
Scientists study the properties of very early galaxies by observing radiation from hydrogen atoms in and around the galaxies, emitted at a frequency of approximately 1420 MHz - also known as the 21 cm line in astronomy parlance.
Edit
The Hill
31 Jul 2022
... of cosmic hydrogen in radio waves with a wavelength of 21-centimeter. Several low-frequency observatories are currently searching for the “Swiss Cheese ” structure of the redshifted 21-cm radiation.
Loading...');
var query = jQuery('.radio_query').val();
jQuery.ajax({
data: { query: query },
url: '/api/upge/cheetah-photo-search/radio',
success: function(text) {
jQuery('.radio-search-results').html(jQuery(text));
updateHeight();
$('#RadioSearchTable').tablesorter();
$('#RadioSearchTable').trigger("update");
}
});
return false; // do not submit the form
});
$(".search-tools-btn").click(function () {
header = $(this);
content = $(".search-tools-content");
if(content.is(':visible')) {
content.hide('slow');
header.html('Tools ');
}else{
content.show('slow');
header.html('Hide ');
}
});
});
The 