'+pages+'');
$('.stream > div:odd').addClass('bgr_color');
updateHeight('#history');
});
window.activateTabArea = ensure(function(tab, areas){
var parsed = false;
var parts = (areas || '').split('/');
window.fsonload = $.inArray('fs', parts) >= 0;
if(fsonload){
parts.splice(parts.indexOf('fs'), 1);
}
var replayMode = false;
if($.inArray('replay', parts)>=0){
replayMode = 'replay';
}
var noSoundMode = false;
if($.inArray('nosound', parts)>=0){
noSoundMode = 'nosound';
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if($.inArray('ns', parts)>=0){
noSoundMode = 'ns';
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var previewMode = null;
if($.inArray('p', parts)>=0){
previewMode = 'p';
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if($.inArray('preview', parts)>=0){
previewMode = 'preview';
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if($.inArray('repeat', parts)>=0){
replayMode = 'repeat';
}
if($.inArray('r', parts)>=0 || $.inArray('ro', parts)>=0){
replayMode = 'r';
}
if(replayMode){
parts.splice(parts.indexOf(replayMode), 1);
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if(noSoundMode){
parts.splice(parts.indexOf(noSoundMode), 1);
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if(previewMode){
parts.splice(parts.indexOf(previewMode), 1);
}
if(previewMode){
if(!parts.length){
parts = ['1-14', '999:59'];
}
}
var area = parts[0];
if(tab == 'history' && false){
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;
}
if(tab == 'my_playlists' && false){
var page = parseInt(area || '1') || 1;
myPlaylists.fetchStream(page, '', function(){
updateHeight('#my_playlists');
});
return true;
}
if(tab == 'my_videos' && false){
var page = parseInt(area || '1') || 1;
myVideos.fetchStream(page, '', function(){
updateHeight('#my_videos');
});
return true;
}
if(tab == 'related_sites' && areas && matchPosition(areas)){
var seconds = parsePosition(areas);
scrollRelated(seconds);
return false;
}
if(matchPosition(area) || matchAction(area)){
parts.unshift('1');
area = parts[0];
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if(tab == 'expand' && area && area.match(/\d+/)) {
var num = parseInt(area);
if(num < 100){
//FIX ME. Load news page with ajax here
}
else if(num > 1900){
//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');
if(!vp) return; // why? no player?
if(replayMode){
$('.replaycurrent'+playerId).attr('checked', true);
vp.setReplayCurrent(true);
}
var playQueue = [];
window.playQueue = playQueue;
var playQueuePosition = 0;
var playShouldStart = null;
var playShouldStop = null;
var parseList = function(x){
var items = x.split(/;|,/g);
var results = [];
for (i in items){
try{
var action = parseAction(vp, items[i]);
if(!action.video){
if(window.console && console.log) console.log("Warning: No video for queued entry: " + items[i]);
}else{
results.push(action);
}
}catch(e){
if(window.console && console.log) console.log("Warning: Can''t parse queue entry: " + items[i]);
}
}
return results;
};
var scrollToPlaylistPosition = function(vp){
var ppos = vp.getPlaylistPosition();
var el = vp.playlistContainer.find('>li').eq(ppos);
var par = el.closest('.playlist_scrollarea');
par.scrollTop(el.offset().top-par.height()/2);
}
var updateVolumeState = function(){
if(noSoundMode){
if(noSoundMode == 'turn-on'){
clog("Sound is on, vsid="+vp.vsid);
vp.setVolumeUnMute();
noSoundMode = false;
}else{
clog("Sound is off, vsid="+vp.vsid);
vp.setVolumeMute();
noSoundMode = 'turn-on';
}
}
}
var playQueueUpdate = function(){
var playPosition = playQueue[playQueuePosition];
vp.playFromPlaylist(playPosition.video);
scrollToPlaylistPosition(vp);
playShouldStart = playPosition.start;
playShouldStop = playPosition.stop;
};
var playQueueAdvancePosition = function(){
clog("Advancing play position...");
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while(playQueuePosition < playQueue.length && !playQueue[playQueuePosition].video){
playQueuePosition ++;
}
if(playQueuePosition < playQueue.length){
playQueueUpdate();
}else if(vp.getReplayCurrent()){
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();
}
});
}
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 = [];
}else
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;
}
}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();
}
}
}
}
if(matchPosition(parts[1])){
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;
}else{
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$/)){
if(path == main_tab || path == main_tab+'/' || path == '' || path == '/') {
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];
}
realTab = rev_names[name];
$('#'+realTab).show();
if(window.console && console.log) console.log("Triggering tab: "+name+(window.activeArea?" activeArea="+window.activeArea:''));
var path = name;
if(window.activeArea){
path = path + '/' + window.activeArea;
}
if(tab.match(/#playlist\d+/) || tab.match(/#details\d+/)){
$('.multiple-playlists').show();
$('.related_playlist').show();
$('.longest_videos_playlist').show();
}else {
$('.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: antimatter propulsion
Edit
Interesting Engineering
15 Dec 2024
Scientists are exploring the possibilities of antimatter propulsion as they try to achieve interstellar travel ... High energy density and efficiency of antimatter propulsion. The excitement surrounding antimatter propulsion stems from its energy density.
Edit
Universe Today
14 Dec 2024
All this begs the question – why don’t we have these awesome propulsions systems yet? The simple answer is that antimatter is tricky to work with ... Mourad – Future of Antimatter ...
Edit
Space
31 Jan 2023
Antimatter -based propulsion offers a unique opportunity for missions to exoplanets ... .
Edit
Interesting Engineering
20 Nov 2022
Examples include conventional rockets, nuclear-pulse propulsion, deuterium fusion, directed energy, antimatter annihilations, etc ... Studies have also been conducted that have considered antimatter as a propulsion method.
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 ');
}
});
});
