<commit_before><!-- About page 
  This application is using Angular JS
-->

<nav class="navbar navbar-inverse navbar-fixed-top">
	<div class="container-fluid">
		<!-- Brand and toggle get grouped for better mobile display -->
		<div class="navbar-header">
			<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
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			<a class="navbar-brand" href="#/about">NanoGrav</a>
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				<li class="active"><a href="#/about">Home <span class="sr-only">(current)</span></a></li>
				<li><a href="#/analysis">Analysis <span class="sr-only">(current)</span></a></li>
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</nav>	

<div class="view-body container-fluid">
	<br>
	<div class="row col-md-offset-1 col-md-8 summary">
		<h4>Welcome to the Bridge! </h4>
		<div class="row col-md-8 border-left">
		<hr>
			<p class="introduction">
			The Bridge is online portal for PTA data, data products, and data analysis tools. 
			 Data products (TOAs, residuals, noise models, and likelihoods of various gravitational
			  wave signals) are available at multiple stages of analysis.  Tools are available for 
			  use online, and are also available for downloading and running on your local machine.
			</p>
			<p class="introduction">
			To get started please click the “Analysis” tab at the top of the page, and simply press <commit_msg>Update about.html<commit_after><!-- About page 
  This application is using Angular JS
-->

<nav class="navbar navbar-inverse navbar-fixed-top">
	<div class="container-fluid">
		<!-- Brand and toggle get grouped for better mobile display -->
		<div class="navbar-header">
			<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
				<span class="sr-only">Toggle navigation</span>
				<span class="icon-bar"></span>
				<span class="icon-bar"></span>
				<span class="icon-bar"></span>
			</button>
			<a class="navbar-brand" href="#/about">NanoGrav</a>
		</div>
		<div class="collapse navbar-collapse" id="navbar">
			<ul class="nav navbar-nav">
				<li class="active"><a href="#/about">Home <span class="sr-only">(current)</span></a></li>
				<li><a href="#/analysis">Analysis <span class="sr-only">(current)</span></a></li>
			</ul>
		</div>
	</div>
</nav>	

<div class="view-body container-fluid">
	<br>
	<div class="row col-md-offset-1 col-md-8 summary">
		<h4>Welcome to the Bridge! </h4>
		<div class="row col-md-8 border-left">
		<hr>
			<p class="introduction">
			NANOGrav(North American Nanohertz Observatory for Gravitational Waves) is a collaboration of scientists working to detect and study gravitational waves. Gravitational waves were first predicted by <NAME> in his Theory of General Relativity. In his theory, mass distorts space and time. Extreme massive binary systems such as supermassive binary black holes produce gravitational waves. Nanohertz gravitational waves have exceptionally long wavelengths, which is why scientists were unable to build a large enough detector to observe them. However, the Universe provided us with a way about this hindrance in the form of miliseconds pulsars - the rapidly spinning, super dense remnants of massive stars. During their rotation, milisecond pulsars emit beams of electromagnetic radiation, which are detected on Earth as one "tick" of a clock. &nbsp;When pulsar signals travel across space to the Earth, signals experience a delay or an advance due to gravitational waves distorting the space. Hence, by studying and analysing pulsar data, we will most likely be able to detect gravitational waves. Today we are still only seeing the Universe through the lens of electromagnetic radiation, and the ability to unravel the gravitational wave data would completely change how we perceive the Universe.&nbsp;</p>
			<p class="introduction">
			The Bridge is online portal for PTA data, data products, and data analysis tools. 
			Data products (TOAs, residuals, noise models, and likelihoods of various gravitational
			wave signals) are available at multiple stages of analysis.  Tools are available for 
			use online, and are also available for downloading and running on your local machine.
			</p>
			<p class="introduction">
			To get started please click the “Analysis” tab at the top of the page, and simply press 
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