'<title>Em 1895, o físico alemão Wilhelm Conrad Röntgen fez modificações às ampolas de Crookes - 01/01/1895</title>
<script data-ad-client="ca-pub-6793612201455965" async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>


  <style type="text/css">
  #menu {
    position: fixed;
    right: 0;

  width: 20em;  top: 85%;
    margin: -2.5em 0 0 0;
    z-index: 5;

background: hsla(190, 100%, 30%, 0.9);
    color: white;
    font-weight: bold;
    font-size: large;
    text-align: left;
border: solid hsla(190, 40%, 40%, 0.5);
    border-right: none;
    padding: 0.5em 0.5em 0.5em 2.5em;
    box-shadow: 0 1px 3px black;
    border-radius: 3em 0.5em 0.5em 3em;
  }
  #menu li { margin: 0 }
  #menu a { color: inherit }

  /* Make menu absolute, not fixed, on IE 5 & 6 */
  #menu { position: absolute }
  *>#menu { position: fixed }

  p.stb { text-indent: 0; margin-top: 0.83em }
  p.mtb { text-indent: 0; margin-top: 2.17em }
  p.ltb { text-indent: 0; margin-top: 3.08em }
</style>




  <style type="text/css">
  #menux {
    position: fixed;
    right: 0;

   top: 65%;  width: 11em;
    margin: -2.5em 0 0 0;
    z-index: 5;
    background: hsla(80, 90%, 40%, 0.7);
    color: white;
    font-weight: bold;
    font-size: large;
    text-align: left;
    border: solid hsla(80, 90%, 40%, 0.5);
    border-right: none;
    padding: 0.5em 0.5em 0.5em 2.5em;
    box-shadow: 0 1px 3px black;
    border-radius: 3em 0.5em 0.5em 3em;
  }
  #menu li { margin: 0 }
  #menu a { color: inherit }

  /* Make menu absolute, not fixed, on IE 5 & 6 */
  #menu { position: absolute }
  *>#menu { position: fixed }

  p.stb { text-indent: 0; margin-top: 0.83em }
  p.mtb { text-indent: 0; margin-top: 2.17em }
  p.ltb { text-indent: 0; margin-top: 3.08em }
</style>





  <style type="text/css">
  #menuy {
    position: fixed;
    right: 0;

   top: 40%;  width: 11em;
    margin: -2.5em 0 0 0;
    z-index: 5;
    background: hsla(80, 90%, 40%, 0.7);
    color: white;
    font-weight: bold;
    font-size: large;
    text-align: left;
    border: solid hsla(80, 90%, 40%, 0.5);
    border-right: none;
    padding: 0.5em 0.5em 0.5em 2.5em;
    box-shadow: 0 1px 3px black;
    border-radius: 3em 0.5em 0.5em 3em;
  }
  #menu li { margin: 0 }
  #menu a { color: inherit }

  /* Make menu absolute, not fixed, on IE 5 & 6 */
  #menu { position: absolute }
  *>#menu { position: fixed }

  p.stb { text-indent: 0; margin-top: 0.83em }
  p.mtb { text-indent: 0; margin-top: 2.17em }
  p.ltb { text-indent: 0; margin-top: 3.08em }
</style><meta name='googlebot'><meta http-equiv='Content-Type' content='text/html; charset=utf-8' /><meta property='og:type' content='website' /><meta property='og:title' content='Em 1895, o físico alemão Wilhelm Conrad Röntgen fez modificações às ampolas de Crookes' /><meta property='og:description' content='1895, há 130 anos' /><meta property='og:image' content='' /><meta property='og:image:width' content='1200' /><meta property='og:image:height' content='630' /><meta property='og:locale' content='pt_BR' /><meta property='og:url' content='' /><meta property='og:site_name' content='ERERE É BOM' />

  <style type="text/css">
  #menu {
    position: fixed;
    right: 0;

  width: 20em;  top: 83%;
    margin: -2.5em 0 0 0;
    z-index: 5;

background: hsla(88, 100%, 30%, 0.9);
    color: white;
    font-weight: bold;
    font-size: large;
    text-align: left;
border: solid hsla(190, 40%, 40%, 0.5);
    border-right: none;
    padding: 0.5em 0.5em 0.5em 2.5em;
    box-shadow: 0 1px 3px black;
    border-radius: 3em 0.5em 0.5em 3em;
  }
  #menu li { margin: 0 }
  #menu a { color: inherit }

  /* Make menu absolute, not fixed, on IE 5 & 6 */
  #menu { position: absolute }
  *>#menu { position: fixed }

  p.stb { text-indent: 0; margin-top: 0.83em }
  p.mtb { text-indent: 0; margin-top: 2.17em }
  p.ltb { text-indent: 0; margin-top: 3.08em }
</style>




  <style type="text/css">
  #menux {
    position: fixed;
    right: 0;

   top: 65%;  width: 11em;
    margin: -2.5em 0 0 0;
    z-index: 5;
    background: hsla(80, 90%, 40%, 0.7);
    color: white;
    font-weight: bold;
    font-size: large;
    text-align: left;
    border: solid hsla(80, 90%, 40%, 0.5);
    border-right: none;
    padding: 0.5em 0.5em 0.5em 2.5em;
    box-shadow: 0 1px 3px black;
    border-radius: 3em 0.5em 0.5em 3em;
  }
  #menu li { margin: 0 }
  #menu a { color: inherit }

  /* Make menu absolute, not fixed, on IE 5 & 6 */
  #menu { position: absolute }
  *>#menu { position: fixed }

  p.stb { text-indent: 0; margin-top: 0.83em }
  p.mtb { text-indent: 0; margin-top: 2.17em }
  p.ltb { text-indent: 0; margin-top: 3.08em }
</style>





  <style type="text/css">
  #menuy {
    position: fixed;
    right: 0;

   top: 25%;  width: 11em;
    margin: -2.5em 0 0 0;
    z-index: 5;
    background: hsla(80, 90%, 40%, 0.7);
    color: white;
    font-weight: bold;
    font-size: large;
    text-align: left;
    border: solid hsla(80, 90%, 40%, 0.5);
    border-right: none;
    padding: 0.5em 0.5em 0.5em 2.5em;
    box-shadow: 0 1px 3px black;
    border-radius: 3em 0.5em 0.5em 3em;
  }
  #menu li { margin: 0 }
  #menu a { color: inherit }

  /* Make menu absolute, not fixed, on IE 5 & 6 */
  #menu { position: absolute }
  *>#menu { position: fixed }

  p.stb { text-indent: 0; margin-top: 0.83em }
  p.mtb { text-indent: 0; margin-top: 2.17em }
  p.ltb { text-indent: 0; margin-top: 3.08em }
</style>

<!--- Secure Site Seal - DO NOT EDIT --->
<span id="ss_img_wrapper_115-55_image_en">
<a href="http://www.alphassl.com/ssl-certificates/wildcard-ssl.html" 
target="_blank" title="SSL Certificates">
<img alt="Wildcard SSL Certificates" border=0 id="ss_img"
src="//seal.alphassl.com/SiteSeal/images/alpha_noscript_115-55_en.gif"
title="SSL Certificate">
</a>
</span>
<script type="text/javascript"
src="//seal.alphassl.com/SiteSeal/alpha_image_115-55_en.js"></script>
<!--- Secure Site Seal - DO NOT EDIT --->


<!-- Global site tag (gtag.js) - Google Analytics -->
<script async src="https://www.googletagmanager.com/gtag/js?id=UA-142590938-1"></script>
<script>
  window.dataLayer = window.dataLayer || [];
  function gtag(){dataLayer.push(arguments);}
  gtag('js', new Date());

  gtag('config', 'UA-142590938-1');
</script>
<body bgcolor=#ffffff topmargin=0 leftmargin=0 rightmargin=0><center>

<style type="text/css">
.tabela {
	font-family: Arial;
	color: red;
 	font-size:15px;
background-color:#6897A5;
}
</style>


	<style>
		* { margin: -1; padding: 0; border: none; list-style: none; }

		body { color: #FFFFFF;}

		header {
width: 100%; min-width: 480px; height: 5%;
			border: 1px solid #333;
background-color: #6897A5;
			position: fixed;
			align: center;
			top: 0;
		}



	</style>



<style type="text/css">
.custom {
	font-family: Arial;

color:#000000; 	font-size:40px;
        style=text-decoration:none;
}
</style>
<style type="text/css">
.customy {
	font-family: Arial;
	color: #A1A8A2;
 	font-size:45px;
        style=text-decoration:none;
}
</style>

<style type="text/css">
.customlucia {
	font-family: Arial;
	color: #A1A8A2;
 	font-size:32pt;
        style=text-decoration:none;
}
</style>


<style type="text/css">
.custombig {
	font-family: Arial;
color: #0086B2; 	font-size:120;
        style=text-decoration:none;
}
</style>

<style type="text/css">
.customsn {
	font-family: Arial;
color: #90949C; 	font-size:20;
        style=text-decoration:none;
}
</style>


<style type="text/css">
.custommes {
	font-family: Arial;
color: #000000; font-color:#000000;font-size:25pt;font-face:arial;width:370;height:50;background-color:#E5E8E6;
</style>
<style type="text/css">
.customsundo {
	font-family: Arial;
color: #90949C; font-size:30pt;font-face:arial black;color:#ffffff;font-weight:bold;width:100;height:50;background-color:#6897A5;
        style=text-decoration:none;
}
</style>



<style type="text/css">
.custom1gx {
	font-family: Arial;
color: #6897A5; 	font-size:35;
        style=text-decoration:none;
}
</style>



<style type="text/css">
.custom1cx {
	font-family: Arial;
color: #6897A5; 	font-size:35;
        style=text-decoration:none;
}
</style>

<style type="text/css">
.customsn2 {
	font-family: Arial;
color: #90949C; 	font-size:25pt;
        style=text-decoration:none;
}
</style>



<style type="text/css">
.customsn3 {
	font-family: Arial;
color: #90949C; 	font-size:30px;
        style=text-decoration:none;
}
</style>






<style type="text/css">
.custom0 {
	font-family: Arial;
color: #90949C; 	font-size:14;
        style=text-decoration:none;
}
</style>

<style type="text/css">
.custom01 {
	font-family: Arial;
color: #000000; 	font-size:15;
        style=text-decoration:none;
}
</style>




<style type="text/css">
.custom2 {
	font-family: Arial;
color: #6897A5;font-size:50px;
        style=text-decoration:none;
}
</style>
<style type="text/css">
.custom1g {
	font-family: Arial;
color: #90949C; 	font-size:35;
        style=text-decoration:none;
}
</style>

<style type="text/css">
.custom3 {
	font-family: Arial;
color: #6897A5;font-size:22px;
        style=text-decoration:none;
}
</style>

<style type="text/css">
.customc {
	font-family: Arial;
color: #274E68; 	font-size:30;
        style=text-decoration:none;
}
</style>

<style type="text/css">
.custom10 {
	font-family: Arial;
color: #6897A5;font-size:32px;
        style=text-decoration:none;
}
</style>

<style type="text/css">
.custom20 {
	font-family: Arial;
color: #6897A5;font-size:60px;
        style=text-decoration:none;
}
</style>


<style type="text/css">
.customcor {

color: #6897A5;
        style=text-decoration:none;
}
</style>

<style type="text/css">
.custom {
	font-family: Arial;

color:#3D4045; 	font-size:40px;
        style=text-decoration:none;
}
</style>


<style type="text/css">
.customcor {
	font-family: Arial;
color: #6897A5;
        style=text-decoration:none;
}
</style>


<style type="text/css">
.custom1 {
	font-family: Arial;
color: #4B4F56; 	font-size:30;
        style=text-decoration:none;
}
</style>


<style type="text/css">
.custom00 {
	font-family: Arial;
color: #4B4F56; 	font-size:12;
        style=text-decoration:none;
}
</style>



<style type="text/css">
.cust0 {
	font-family: Arial;
color: #4B4F56; 	font-size:10;
        style=text-decoration:none;
}
</style>


<style type="text/css">
.cust1 {
	font-family: Arial;
color: #4B4F56; 	font-size:11;
        style=text-decoration:none;
}
</style>


<style type="text/css">
.cust2 {
	font-family: Arial;
color: #4B4F56; 	font-size:12;
        style=text-decoration:none;
}
</style>

<style type="text/css">
.cust3 {
	font-family: Arial;
color: #4B4F56; 	font-size:13;
        style=text-decoration:none;
}
</style>


<style type="text/css">
.cust4 {
	font-family: Arial;
color: #4B4F56; 	font-size:21;
        style=text-decoration:none;
}
</style>


<style type="text/css">
.cust5 {
	font-family: Arial;
color: #4B4F56; 	font-size:30;
        style=text-decoration:none;
}
</style>

<style type="text/css">
.cust6 {
	font-family: Arial;
color: #4B4F56; 	font-size:20;
        style=text-decoration:none;
}
</style>


<style type="text/css">
.cust7 {
	font-family: Arial;
color: #4B4F56; 	font-size:17;
        style=text-decoration:none;
}
</style>

<style type="text/css">
.cust8 {
	font-family: Arial;
color: #4B4F56; 	font-size:18;
        style=text-decoration:none;
}
</style>


<style type="text/css">
.cust9 {
	font-family: Arial;
color: #4B4F56; 	font-size:19;
        style=text-decoration:none;
}
</style>

<style type="text/css">
.cust10 {
	font-family: Arial;
color: #4B4F56; 	font-size:20;
        style=text-decoration:none;
}
</style>


<style type="text/css">
.cust18 {
	font-family: Arial;
color: #4B4F56; 	font-size:25px;
        style=text-decoration:none;
}
</style>





<style type="text/css">
.custom0000 {
	font-family: Arial;
color: #35383E; 	font-size:13;
        style=text-decoration:none;
}
</style>

<style type="text/css">
.custom14 {
	font-family: Arial;
color: #35383E; 	font-size:14;
        style=text-decoration:none;
}
</style>


<style type="text/css">
.custom000 {
	font-family: Arial;
color: #35383E; 	font-size:15;
        style=text-decoration:none;
}
</style>


<style type="text/css">
.custom555 {
	font-family: Arial;
color: #35383E; 	font-size:16;
        style=text-decoration:none;
}
</style>



<style type="text/css">
.custom666 {
	font-family: Arial;
color: #35383E; 	font-size:17;
        style=text-decoration:none;
}
</style>

<style type="text/css">
.custom777 {
	font-family: Arial;
color: #35383E; 	font-size:24;
        style=text-decoration:none;
}
</style>

<style type="text/css">
.custom10g {
	font-family: Arial;
color: #90949C; 	font-size:35;
        style=text-decoration:none;background-color:#F4F4F4;
}
</style>

<style type="text/css">
.custom1g {
	font-family: Arial;
color: #3D4045; 	font-size:34;
        style=text-decoration:none;
}
</style>


<style type="text/css">
.customcc {
	font-family: Arial;
 	font-size:75; color:#6897A5;
        style=text-decoration:none;
}
</style>

font-size:75;' color=#ffffff

<style type="text/css">
.custom0 {
	font-family: Arial;
color: #4B4F56; 	font-size:24;
        style=text-decoration:none;
}
</style>


<style type="text/css">
.custom010 {
	font-family: Arial;
color: #35282D; 	font-size:14;
        style=text-decoration:none;
}
</style>

<style type="text/css">
  .customtd {
  font-family: Arial;
  color: #F6C006;background-color: #F6C006; 	font-size:15;
  style=text-decoration:none;
}
</style>



<style type="text/css">
  .customtd2 {
  font-family: Arial;
  color: #F6C006;background-color: #6897A5; 	font-size:15;
  style=text-decoration:none;
}
</style>



<style type="text/css">
.customy {
	font-family: Arial;
	color: #3D4045;
 	font-size:45px;
        style=text-decoration:none;
}
</style>
</head><body bgcolor=#ffffff link=#35282D vlink=#35282D alink=#6897A5 topmargin=0 leftmargin=0 rightmargin=0 text=#000000>
<amp-auto-ads type="adsense"
              data-ad-client="ca-pub-6793612201455965">
</amp-auto-ads>

<table height='14%' border=1><tr><td height='100%'></td></tr></table>
<table width='100%' cellspacing=0 cellpadding=0 width='100%'><tr><td bgcolor=#ffffff>
	<header><center>
<table width='100%' bgcolor=#274E68 border=0 cellpadding=0 cellspacing=5><tr><td align=center width='50%'><table cellspacing=0 width='100%'><tr><td width='5%'></td><td align=center width='70%'><font color=#ffffff><font color=#ffffff><table width='100%' cellspacing=0 cellpadding=0><tr><td WIDTH='20%'><font color=#ffffff><a href=index.asp><img src=logos/ev7.jpg width='85%' border=0></a></td></tr></table></td></tr></table></td><script>
            function AbrirSecao(secao){
                window.open(""+secao+"", "_parent");
            }
</script>
</form><form action=fine.asp method=post>
<td align=left width='3%'>


</td>
<td width='15%'></td><td width='10%' align=right><select name='' class=custom1g style='width:170px;background-color:#274E68;color:#ffffff;' onchange='this.options[this.selectedIndex].value && (window.location = this.options[this.selectedIndex].value);'><option value=''>Opções</option><option value=m.asp>Atualizações</option><option value=l.asp>+ Populares</option><option value=hoje.asp>Hoje na História</option><option value=tribos.asp>“Tribos” (37)</option></select></td><td width='5%' align=right><a href=../personagens.asp><IMG SRC=logos/f7.jpg width='100%'></a></td><td width='7%' align=right></td>
</form><td width='4%'></td></tr></table><table width='100%' bgcolor=#6897A5 cellspacing=0 cellpadding=0><tr><TD><center><table width='96%' cellspacing=0 cellpadding=0 height=50><tr><td width='43%'><table width='100%' height=50 cellspacing=0 cellpadding=0><tr><td width='25%' align=center valign=bottom><table width='90%' bgcolor=#F8C600 cellspacing=0 cellpadding=0 height='100%'><tr><td></td></tr></table></font></td><td width='25%' align=center valign=bottom><table width='90%' bgcolor=#F8C600 cellspacing=0 cellpadding=0 height='62%'><tr><td></td></tr></table></font></td><td width='25%' align=center valign=bottom><table width='90%' bgcolor=#F8C600 cellspacing=0 cellpadding=0 height='60%'><tr><td></td></tr></table></font></td><td width='25%' align=center valign=bottom><table width='90%' bgcolor=#F8C600 cellspacing=0 cellpadding=0 height='57%'><tr><td></td></tr></table></font></td></tr></table></td><td width='14%' valign=bottom align=center><table width='90%' bgcolor=#F8C600 cellspacing=0 cellpadding=0 height='94%'><tr><td></td></tr></table></td><td width='43%'><table width='100%' height=50 cellspacing=0 cellpadding=0><tr><td width='25%' align=center valign=bottom><table width='90%' bgcolor=#F8C600 cellspacing=0 cellpadding=0 height='62%'><tr><td></td></tr></table></font></td><td width='25%' align=center valign=bottom><table width='90%' bgcolor=#F8C600 cellspacing=0 cellpadding=0 height='58%'><tr><td></td></tr></table></font></td><td width='25%' align=center valign=bottom><table width='90%' bgcolor=#F8C600 cellspacing=0 cellpadding=0 height='58%'><tr><td></td></tr></table></font></td><td width='25%' align=center valign=bottom><table width='90%' bgcolor=#F8C600 cellspacing=0 cellpadding=0 height='81%'><tr><td></td></tr></table></font></td></tr></table></td></tr></table><table width='96%' cellspacing=0 cellpadding=0><tr><td width='43%'><table width='100%' cellspacing=0 cellpadding=0><tr><td width='25%' align=center><table cellspacing=0 cellpadding=0 bgcolor=#F8C600 width='90%' height='50'><tr><TD align=center><a href=a.asp?a=1891 style='text-decoration:none;'><font class=custom1g><b><font color=#AD9301>1891</a></font></td></tr></table></td><td width='25%' align=center><table cellspacing=0 cellpadding=0 bgcolor=#F8C600 width='90%' height='50'><tr><TD align=center><a href=a.asp?a=1892 style='text-decoration:none;'><font class=custom1g><b><font color=#AD9301>1892</a></font></td></tr></table></td><td width='25%' align=center><table cellspacing=0 cellpadding=0 bgcolor=#F8C600 width='90%' height='50'><tr><TD align=center><a href=a.asp?a=1893 style='text-decoration:none;'><font class=custom1g><b><font color=#AD9301>1893</a></font></td></tr></table></td><td width='25%' align=center><table cellspacing=0 cellpadding=0 bgcolor=#F8C600 width='90%' height='50'><tr><TD align=center><a href=a.asp?a=1894 style='text-decoration:none;'><font class=custom1g><b><font color=#AD9301>1894</a></font></td></tr></table></td></tr></table></td><td width='14%' align=center valign=top><table cellspacing=0 cellpadding=0 bgcolor=#F8C600 width='90%'><tr><TD align=center><a href=a.asp?a=1895 style='text-decoration:none;'><B><font class=customy><font color=#8D7802>1895</a></font></td></tr></table></td><td width='43%'><table width='100%' cellspacing=0 cellpadding=0><tr><td width='25%' align=center><table cellspacing=0 cellpadding=0 bgcolor=#F8C600 width='90%' height='50'><tr><TD align=center><a href=a.asp?a=1896 style='text-decoration:none;'><font class=custom1g><font color=#8D7802>1896</a></font></td></tr></table></td><td width='25%' align=center><table cellspacing=0 cellpadding=0 bgcolor=#F8C600 width='90%' height='50'><tr><TD align=center><a href=a.asp?a=1897 style='text-decoration:none;'><font class=custom1g><font color=#8D7802>1897</a></font></td></tr></table></td><td width='25%' align=center><table cellspacing=0 cellpadding=0 bgcolor=#F8C600 width='90%' height='50'><tr><TD align=center><a href=a.asp?a=1898 style='text-decoration:none;'><font class=custom1g><font color=#8D7802>1898</a></font></td></tr></table></td><td width='25%' align=center><table cellspacing=0 cellpadding=0 bgcolor=#F8C600 width='90%' height='50'><tr><TD align=center><a href=a.asp?a=1899 style='text-decoration:none;'><font class=custom1g><font color=#8D7802>1899</a></font></td></tr></table></td></tr></table></td></tr></table></td></tr></table><table width='100%' cellspacing=0 cellpadding=0 height=2 bgcolor=#F8C600><tr><td height=2></td></tr></table><table width='100%' cellspacing=0 cellpadding=0 height=12 bgcolor=#6897A5><tr><td height=12></td></tr></table><table width='100%' cellspacing=0 cellpadding=0 bgcolor=#6897A5><TR><td width='28%' align=center><a href=a.asp?a=1895 style='text-decoration:none;'><font class=custom1g><font color=#ffffff>Registros (61)</a></td><td width='25%' align=center><a href=a.asp?a=1895&ver=c style='text-decoration:none;'><font class=custom1g><font color=#ffffff>Cidades<font class=custom1><font color=#ffffff>&nbsp;(64)</a></td><td width='25%' align=center><a href=a.asp?a=1895&ver=pessoas style='text-decoration:none;'><font class=custom1g><font color=#ffffff>Pessoas<font class=custom1><font color=#ffffff>&nbsp;(61)</a></td><td width='22%' align=center><a href=a.asp?a=1895&ver=temas style='text-decoration:none;'><font class=custom1g><font color=#ffffff>Temas<font class=custom1><font color=#ffffff>&nbsp;(115)</a></td></tr></table><table width='100%' cellspacing=0 cellpadding=0 height=7 bgcolor=#6897A5><tr><td height=7></td></tr></table><table width='100%' cellspacing=0 cellpadding=0 bgcolor=#6897A5><TR><td width='28%' align=center></td><td width='25%' align=center></td><td width='25%' align=center></td><td width='22%' align=center></td></tr></table><table width='100%' cellspacing=0 cellpadding=0 height=10 bgcolor=#6897A5><tr><td height=10><font color=#ffffff></td></tr></table>


</header><ul id=menu>
<table width='100%'><tr><TD align=center><font class=custom1><font color=#ffffff>Buscar ano</td></tr></table><form action=a.asp method=post><table width='100%' cellspacing=0 cellpadding=0><tr><td align=center><table cellspacing=0 cellpadding=0><tr><td><input type=text name=ano value ='1895' style='font-size:30pt;font-face:arial;width:120;height:50;background-color:#EDE6E6;' onfocus=this.value='';></td><td width=10></td><td></td><td width=10></td><td><input type=submit value='Ver!' style='font-size:35;font-face:arial black;color:#ffffff;width:100;height:45;background-color:#9CC549;'></td></tr></table></td></tr></table></form>



  </ul><BR><BR><table width='100%'><tr><TD><font class=custom000><font color=#000000><table width='100%' cellspacing=0 cellpadding=0><tr><td width='3%'></td><TD><font class=custom2><font color=#000000 face='times New roman'><B>Em 1895, o físico alemão Wilhelm Conrad Röntgen fez modificações às ampolas de Crookes</b></font></font></td><td width='3%'></td></tr></table></font></font><font class=custom010><font class=custom00><font color=#35282D>&nbsp;&nbsp;&nbsp;&nbsp;1895<Br>&nbsp;&nbsp;&nbsp;&nbsp;Atualizado em <i>25/02/2025 04:39:11</i></font></font><center><div style='width:90%;bgcolor:#999999;'><p align=left><table cellspacing=0 cellpadding=0><tr><td><font class=custom1g><font color=#666666>•&nbsp;&nbsp;Fontes&nbsp;</font><font class=custom1g>(1)</font></td></tr></table><table cellspacing=0 cellpadding=0 cellspacing=4 cellpadding=0><tr><TD><font class=custom1g><font color=#666666><B> •</b></font>&nbsp;&nbsp;</td><td><select name='' class=custom1g style='width:300px;background-color:#ffffff;color:#666666;' onchange='this.options[this.selectedIndex].value && (window.location = this.options[this.selectedIndex].value);'><option value=''>Temas (1)</option><option value=b.asp?autor=4593>Radioatividade (23)</option></select></td></tr></table></p></div></center><BR><center><div style='width:88%;'><p align=left></p></div></center><BR>
<center><div style='width:96%;'><p align=left><center><div style='width:90%;'><p align=left><BR><table width='100%' cellspacing=0 cellpadding=0><tr><td width='2%' class=customtd></td><td>&nbsp;</td><td><font class=custom><B>Fontes</b></font><font class=custom1> (1)</font></td></tr></table><BR><table width='100%' cellspacing=0 cellpadding=0><tr><td><font class=custom><font color=#4C0165><B>•</b></font></font><font class=custom1>&nbsp;1°&nbsp;fonte/2023</font>&nbsp;&nbsp;&nbsp;</td><td width='90%' valign=center><table width='100%' cellspacing=0 cellpadding=0 height=2 bgcolor=#999999><tr><td></td></tr></table></td></tr></table><p align=left><font class=custom0><a href=y.asp?r=29384 style='text-decoration:none;'><font color=#35383E><B>“Descoberta da radioatividade”. Escrito por Carolina Batista, bacharela em Química Tecnológica e Industrial pela Universidade Federal de Alagoas (2018) e Técnica em Química pelo Instituto Federal de Educação, Ciência e Tecnologia de Pernambuco (2011) todamateria.com.br</b></font></a></font><BR>Data: 2023<BR><table width='100%' cellspacing=0 cellpadding=0 height=15><tr><td></td></tr></table><center><div style='width:95%;bgcolor:#999999;'><p align=left></p></div></center><BR></p></div></center><BR><center><div style='width:94%;box-shadow: 3px 3px 13px 1px #555555;'><center><center><div style='width:90%;'><p align=left><BR>[29384] “Descoberta da radioatividade”. Escrito por Carolina Batista, bacharela em Química Tecnológica e Industrial pela Universidade Federal de Alagoas (2018) e Técnica em Química pelo Instituto Federal de Educação, Ciência e Tecnologia de Pernambuco (2011) todamateria.com.br<font class=custom00><BR>18/05/2023</font></p></div></center></center></div></center></p></div></center><BR>OII!<table width='100%' cellspacing=0 cellpadding=0><tr><td align=center><table width='80%' cellspacing=0 cellpadding=0 height=1 bgcolor=#99999><tr><td></td></tr></table></td></tr></table><table width='100%' cellspacing=0 cellpadding=0 height=19><tr><td></td></tr></table>
<font color=#000000>
<center><div style='width:92%;'><p align=left></p></div></center> 
<table width='100%' cellspacing=0 cellpadding=0><tr><TD><img src=logos/fundo2.jpg width='100%' height=40></td></tr></table><center><div style='width:100%;background-color:#F0F0F0;'><Br><p align=left><center><div style='width:95%;box-shadow: 3px 3px 13px 1px #555555;background-color:#ffffff;'><BR><center><div style='width:90%;'><p align=left><b><font face='times New roman'>Sobre o Brasilbook.com.br</font></b><Br><Br>Desde 17 de agosto de 2017 o site BrasilBook se dedicado em registrar e organizar eventos históricos e informações relevantes referentes ao Brasil, apresentando-as de forma robusta, num formato leve, dinâmico, ampliando o panorama do Brasil ao longo do tempo.<Br><Br>Até o momento a base de dados possui 30.439 registros atualizados frequentemente, sendo um repositório confiável de fatos, datas, nomes, cidades e temas culturais e sociais, funcionando como um calendário histórico escolar ou de pesquisa.</p></div></center><BR></div></center><Br></p></div></center><table width='100%' cellspacing=0 cellpadding=0><tr><TD><img src=logos/fundo2.jpg width='100%' height=40></td></tr></table><table width='100%' cellspacing=0 cellpadding=0 bgcolor=#ffffff><TR><TD><BR><table width='100%' cellspacing=0 bgcolor=#ffffff cellpadding=0><tr><td align=center><BR></td></tr></table>
<script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
<!-- quadrado -->
<ins class="adsbygoogle"
     style="display:block"
     data-ad-client="ca-pub-6793612201455965"
     data-ad-slot="5607198755"
     data-ad-format="auto"
     data-full-width-responsive="true"></ins>
<script>
     (adsbygoogle = window.adsbygoogle || []).push({});
</script>
<center><table width='80%' border=0><tr><td>
<script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
<!-- quadrado2 -->
<ins class="adsbygoogle"
     style="display:block"
     data-ad-client="ca-pub-6793612201455965"
     data-ad-slot="2986389365"
     data-ad-format="auto"
     data-full-width-responsive="true"></ins>
<script>
     (adsbygoogle = window.adsbygoogle || []).push({});
</script></td></tr></table>
</td></tr></table>