<a title="Obtuse (A Variant of Orbison's Illusion)" href="http://flickr.com/photos/bdec/212802205/" onclick="window.open('http://flickr.com/photos/bdec/212802205/'); return false;"><img alt="脳を活性化させる錯視画像" src="http://web-marketing.zako.org/images/bluemonday-Illusion.jpg" width="250" height="250" /></a>
<p>今日は月曜日、ブルーマンデーとも言います。私もこれに備えて月曜の朝から頭を活性化させる仕込をしておきました。</p>

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<h4 class="tips">幾何学的な矛盾</h4>
<p class="picture"><a href="http://www.moillusions.com/2008/02/another-geometry-optical-illusion.html" onclick="window.open('http://www.moillusions.com/2008/02/another-geometry-optical-illusion.html'); return false;"><img alt="Another-Geometry-Illusion.jpg" src="http://web-marketing.zako.org/images/Another-Geometry-Illusion.jpg" width="400" height="385" /></a>
あれ？なんで面積が変わっちゃうの？</p>
<p>実際に試してみたい方は<a href="http://web-marketing.zako.org/pdf/Another-Geometry-Optical-Illusion.pdf">PDFファイル</a>を使ってください。</p>
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<h4 class="tips">どっちの赤丸が大きい？</h4>
<p class="picture"><a href="http://amazingillusions.blogspot.com/2008/02/circle-size-illusion.html" onclick="window.open('http://amazingillusions.blogspot.com/2008/02/circle-size-illusion.html'); return false;"><img alt="Circle-Size-Illusion.jpg" src="http://web-marketing.zako.org/images/Circle-Size-Illusion.jpg" width="400" height="359" /></a>
さて、どちらが大きいでしょうか。</p>

<h4 class="tips">見ているといろいろなところからグルグルと</h4>
<p class="picture"><a href="http://newopticalillusions.blogspot.com/2008/02/rotating-dot-whirlpool.html" onclick="window.open('http://newopticalillusions.blogspot.com/2008/02/rotating-dot-whirlpool.html'); return false;"><img alt="rotatingdotwhirlpoolillsm8.gif" src="http://web-marketing.zako.org/images/rotatingdotwhirlpoolillsm8.gif" width="320" height="256" /></a>
<br />
5秒以上頑張って見つめてください。曲線がどんどん消滅していって、新たな曲線の一部に変わっていきます。不思議だ。</p>
<p>いかがでしょう。眠った脳に刺激がたっぷりでは？</p>

<p>Via：<a class="web-site-link" href="http://newopticalillusions.blogspot.com/2008/02/rotating-dot-whirlpool.html" onclick="window.open('http://newopticalillusions.blogspot.com/2008/02/rotating-dot-whirlpool.html'); return false;">New Optical Illusions</a>、<a class="web-site-link" href="http://amazingillusions.blogspot.com/2008/02/circle-size-illusion.html" onclick="window.open('http://amazingillusions.blogspot.com/2008/02/circle-size-illusion.html'); return false;">Amazing Optical Illusions</a>、<a class="web-site-link" href="http://www.moillusions.com/2008/02/another-geometry-optical-illusion.html" onclick="window.open('http://www.moillusions.com/2008/02/another-geometry-optical-illusion.html'); return false;">Mighty Optical Illusions</a></p>
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