<?xml version="1.0" encoding="utf-8"?>
<rss xmlns:georss="http://www.georss.org/georss" xmlns:media="http://search.yahoo.com/mrss" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:itunes="http://www.itunes.com/DTDs/Podcast-1.0.dtd" version="2.0" xmlns:photo="http://www.pheed.com/pheed/" xmlns:dc="http://purl.org/dc/elements/1.1/"><channel><title>Dripbook | Books from Ahmed Foula</title><link>http://www.dripbook.com/seashellnoise/books/</link><atom:link href="http://api.dripbook.com/feeds/seashellnoise/html/books/rss.xml" type="application/rss+xml" rel="self"></atom:link><atom:icon>http://www.dripbook.com/css/favicon.png</atom:icon><atom:logo>http://www.dripbook.com/css/logo.png</atom:logo><description>Dripbook | Books from Ahmed Foula</description><language>en-us</language><lastBuildDate>Mon, 09 Nov 2009 10:40:50 -0000</lastBuildDate><item><title>الذي بعد الإقلاع ... والتي قبل الرجوع</title><link>http://www.dripbook.com/seashellnoise/book/15773/</link><description>
&lt;table class="db_book" id="db_book_15773"&gt;
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		&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/15773/"&gt;&lt;img src="http://api.dripbook.com/assets/thumbs/326442_95222d/96.jpg" id="db_book_key_15773" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;
		&lt;td valign="top" id="db_book_des_15773"&gt;&lt;h1 class="db_book_title"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/15773/"&gt;الذي بعد الإقلاع ... والتي قبل الرجوع&lt;/a&gt;&lt;/h1&gt; &lt;h2 class="db_book_sub_title"&gt; - in Graphic Design from Ahmed Foula&lt;/h2&gt; &lt;div class="db_book_caption" id="db_book_caption_15773"&gt;29/05/2008&lt;/div&gt;&lt;/td&gt;
	&lt;/tr&gt;
	&lt;tr&gt;
		&lt;td colspan="2"&gt;
			&lt;table class="db_preview_images" id="db_book_images_15773"&gt;&lt;tr&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/15773/"&gt;&lt;img src="http://i2.dripbook.com/t/330000/1988/35/326442_96_sqr_95222d.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/15773/"&gt;&lt;img src="http://i1.dripbook.com/t/330000/1988/35/326443_96_sqr_08dca7.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/15773/"&gt;&lt;img src="http://i2.dripbook.com/t/330000/1988/35/326444_96_sqr_55c296.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/15773/"&gt;&lt;img src="http://i1.dripbook.com/t/330000/1988/35/326445_96_sqr_e705f3.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/15773/"&gt;&lt;img src="http://i2.dripbook.com/t/330000/1988/35/326446_96_sqr_431589.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/15773/"&gt;&lt;img src="http://i1.dripbook.com/t/330000/1988/35/326449_96_sqr_afb040.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;
		&lt;/td&gt;
	&lt;/tr&gt;
&lt;/table&gt;</description><itunes:summary>
&lt;table class="db_book" id="db_book_15773"&gt;
	&lt;tr&gt;
		&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/15773/"&gt;&lt;img src="http://api.dripbook.com/assets/thumbs/326442_95222d/96.jpg" id="db_book_key_15773" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;
		&lt;td valign="top" id="db_book_des_15773"&gt;&lt;h1 class="db_book_title"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/15773/"&gt;الذي بعد الإقلاع ... والتي قبل الرجوع&lt;/a&gt;&lt;/h1&gt; &lt;h2 class="db_book_sub_title"&gt; - in Graphic Design from Ahmed Foula&lt;/h2&gt; &lt;div class="db_book_caption" id="db_book_caption_15773"&gt;29/05/2008&lt;/div&gt;&lt;/td&gt;
	&lt;/tr&gt;
	&lt;tr&gt;
		&lt;td colspan="2"&gt;
			&lt;table class="db_preview_images" id="db_book_images_15773"&gt;&lt;tr&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/15773/"&gt;&lt;img src="http://i2.dripbook.com/t/330000/1988/35/326442_96_sqr_95222d.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/15773/"&gt;&lt;img src="http://i1.dripbook.com/t/330000/1988/35/326443_96_sqr_08dca7.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/15773/"&gt;&lt;img src="http://i2.dripbook.com/t/330000/1988/35/326444_96_sqr_55c296.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/15773/"&gt;&lt;img src="http://i1.dripbook.com/t/330000/1988/35/326445_96_sqr_e705f3.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/15773/"&gt;&lt;img src="http://i2.dripbook.com/t/330000/1988/35/326446_96_sqr_431589.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/15773/"&gt;&lt;img src="http://i1.dripbook.com/t/330000/1988/35/326449_96_sqr_afb040.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;
		&lt;/td&gt;
	&lt;/tr&gt;
&lt;/table&gt;</itunes:summary><itunes:subtitle>
&lt;table class="db_book" id="db_book_15773"&gt;
	&lt;tr&gt;
		&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/15773/"&gt;&lt;img src="http://api.dripbook.com/assets/thumbs/326442_95222d/96.jpg" id="db_book_key_15773" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;
		&lt;td valign="top" id="db_book_des_15773"&gt;&lt;h1 class="db_book_title"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/15773/"&gt;الذي بعد الإقلاع ... والتي قبل الرجوع&lt;/a&gt;&lt;/h1&gt; &lt;h2 class="db_book_sub_title"&gt; - in Graphic Design from Ahmed Foula&lt;/h2&gt; &lt;div class="db_book_caption" id="db_book_caption_15773"&gt;29/05/2008&lt;/div&gt;&lt;/td&gt;
	&lt;/tr&gt;
	&lt;tr&gt;
		&lt;td colspan="2"&gt;
			&lt;table class="db_preview_images" id="db_book_images_15773"&gt;&lt;tr&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/15773/"&gt;&lt;img src="http://i2.dripbook.com/t/330000/1988/35/326442_96_sqr_95222d.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/15773/"&gt;&lt;img src="http://i1.dripbook.com/t/330000/1988/35/326443_96_sqr_08dca7.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/15773/"&gt;&lt;img src="http://i2.dripbook.com/t/330000/1988/35/326444_96_sqr_55c296.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/15773/"&gt;&lt;img src="http://i1.dripbook.com/t/330000/1988/35/326445_96_sqr_e705f3.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/15773/"&gt;&lt;img src="http://i2.dripbook.com/t/330000/1988/35/326446_96_sqr_431589.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/15773/"&gt;&lt;img src="http://i1.dripbook.com/t/330000/1988/35/326449_96_sqr_afb040.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;
		&lt;/td&gt;
	&lt;/tr&gt;
&lt;/table&gt;</itunes:subtitle><author>None (Ahmed Foula)</author><pubDate>Sun, 01 Nov 2009 21:05:59 -0000</pubDate><comments>None</comments><guid>http://www.dripbook.com/seashellnoise/book/15773/</guid><enclosure url="http://i2.dripbook.com/t/330000/1988/35/326442_800_95222d.jpg" length="290252" type="image/jpeg"></enclosure><media:content url="http://i2.dripbook.com/t/330000/1988/35/326442_800_95222d.jpg" medium="image" type="image/jpeg" fileSize="290252"></media:content><georss:point>30.035402 31.239367</georss:point><photo:thumbnail url="http://i2.dripbook.com/t/330000/1988/35/326442_250_95222d.jpg">http://i2.dripbook.com/t/330000/1988/35/326442_250_95222d.jpg</photo:thumbnail><media:thumbnail url="http://i2.dripbook.com/t/330000/1988/35/326442_250_95222d.jpg"></media:thumbnail><itunes:thumbnail href="http://i2.dripbook.com/t/330000/1988/35/326442_250_95222d.jpg"></itunes:thumbnail><media:title>COVER</media:title><media:description>Book Cover</media:description></item><item><title>Geometric Progression - Circle#001</title><link>http://www.dripbook.com/seashellnoise/book/5643/</link><description>
&lt;table class="db_book" id="db_book_5643"&gt;
	&lt;tr&gt;
		&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/geometric-progression-circle001/"&gt;&lt;img src="http://i2.dripbook.com/t/110000/1988/22/107777_96_19a091.jpg" id="db_book_key_5643" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;
		&lt;td valign="top" id="db_book_des_5643"&gt;&lt;h1 class="db_book_title"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/geometric-progression-circle001/"&gt;Geometric Progression - Circle#001&lt;/a&gt;&lt;/h1&gt; &lt;h2 class="db_book_sub_title"&gt; - in Graphic Design from Ahmed Foula&lt;/h2&gt; &lt;div class="db_book_caption" id="db_book_caption_5643"&gt;In mathematics, a geometric progression is a sequence of numbers where each term after the first is found by multiplying the previous one by a fixed non-zero number called the common ratio. 

For example, the sequence: 2, 6, 18, 54, ... is a geometric progression with common ratio 3.

Thus, the general form of a geometric sequence is:
        a, ar, ar^2, ar^3, ar^4, …
and that of a geometric series is:
        a + ar + ar^2 + ar^3 + ar^4 + …
where (r) ≠ 0 is the common ratio and (a) is a scale factor, equal to the sequence's start value.

&lt;/div&gt;&lt;/td&gt;
	&lt;/tr&gt;
	&lt;tr&gt;
		&lt;td colspan="2"&gt;
			&lt;table class="db_preview_images" id="db_book_images_5643"&gt;&lt;tr&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/geometric-progression-circle001/"&gt;&lt;img src="http://i2.dripbook.com/t/110000/1988/22/107781_96_sqr_144960.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/geometric-progression-circle001/"&gt;&lt;img src="http://i2.dripbook.com/t/110000/1988/22/107780_96_sqr_f6f5c2.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/geometric-progression-circle001/"&gt;&lt;img src="http://i2.dripbook.com/t/110000/1988/22/107779_96_sqr_b1ea3c.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/geometric-progression-circle001/"&gt;&lt;img src="http://i2.dripbook.com/t/330000/1988/35/326405_96_sqr_0e350a.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/geometric-progression-circle001/"&gt;&lt;img src="http://i1.dripbook.com/t/110000/1988/22/107777_96_sqr_19a091.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/geometric-progression-circle001/"&gt;&lt;img src="http://i1.dripbook.com/t/110000/1988/22/107776_96_sqr_7667c4.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;
		&lt;/td&gt;
	&lt;/tr&gt;
&lt;/table&gt;</description><itunes:summary>
&lt;table class="db_book" id="db_book_5643"&gt;
	&lt;tr&gt;
		&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/geometric-progression-circle001/"&gt;&lt;img src="http://i2.dripbook.com/t/110000/1988/22/107777_96_19a091.jpg" id="db_book_key_5643" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;
		&lt;td valign="top" id="db_book_des_5643"&gt;&lt;h1 class="db_book_title"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/geometric-progression-circle001/"&gt;Geometric Progression - Circle#001&lt;/a&gt;&lt;/h1&gt; &lt;h2 class="db_book_sub_title"&gt; - in Graphic Design from Ahmed Foula&lt;/h2&gt; &lt;div class="db_book_caption" id="db_book_caption_5643"&gt;In mathematics, a geometric progression is a sequence of numbers where each term after the first is found by multiplying the previous one by a fixed non-zero number called the common ratio. 

For example, the sequence: 2, 6, 18, 54, ... is a geometric progression with common ratio 3.

Thus, the general form of a geometric sequence is:
        a, ar, ar^2, ar^3, ar^4, …
and that of a geometric series is:
        a + ar + ar^2 + ar^3 + ar^4 + …
where (r) ≠ 0 is the common ratio and (a) is a scale factor, equal to the sequence's start value.

&lt;/div&gt;&lt;/td&gt;
	&lt;/tr&gt;
	&lt;tr&gt;
		&lt;td colspan="2"&gt;
			&lt;table class="db_preview_images" id="db_book_images_5643"&gt;&lt;tr&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/geometric-progression-circle001/"&gt;&lt;img src="http://i2.dripbook.com/t/110000/1988/22/107781_96_sqr_144960.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/geometric-progression-circle001/"&gt;&lt;img src="http://i2.dripbook.com/t/110000/1988/22/107780_96_sqr_f6f5c2.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/geometric-progression-circle001/"&gt;&lt;img src="http://i2.dripbook.com/t/110000/1988/22/107779_96_sqr_b1ea3c.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/geometric-progression-circle001/"&gt;&lt;img src="http://i2.dripbook.com/t/330000/1988/35/326405_96_sqr_0e350a.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/geometric-progression-circle001/"&gt;&lt;img src="http://i1.dripbook.com/t/110000/1988/22/107777_96_sqr_19a091.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/geometric-progression-circle001/"&gt;&lt;img src="http://i1.dripbook.com/t/110000/1988/22/107776_96_sqr_7667c4.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;
		&lt;/td&gt;
	&lt;/tr&gt;
&lt;/table&gt;</itunes:summary><itunes:subtitle>
&lt;table class="db_book" id="db_book_5643"&gt;
	&lt;tr&gt;
		&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/geometric-progression-circle001/"&gt;&lt;img src="http://i2.dripbook.com/t/110000/1988/22/107777_96_19a091.jpg" id="db_book_key_5643" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;
		&lt;td valign="top" id="db_book_des_5643"&gt;&lt;h1 class="db_book_title"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/geometric-progression-circle001/"&gt;Geometric Progression - Circle#001&lt;/a&gt;&lt;/h1&gt; &lt;h2 class="db_book_sub_title"&gt; - in Graphic Design from Ahmed Foula&lt;/h2&gt; &lt;div class="db_book_caption" id="db_book_caption_5643"&gt;In mathematics, a geometric progression is a sequence of numbers where each term after the first is found by multiplying the previous one by a fixed non-zero number called the common ratio. 

For example, the sequence: 2, 6, 18, 54, ... is a geometric progression with common ratio 3.

Thus, the general form of a geometric sequence is:
        a, ar, ar^2, ar^3, ar^4, …
and that of a geometric series is:
        a + ar + ar^2 + ar^3 + ar^4 + …
where (r) ≠ 0 is the common ratio and (a) is a scale factor, equal to the sequence's start value.

&lt;/div&gt;&lt;/td&gt;
	&lt;/tr&gt;
	&lt;tr&gt;
		&lt;td colspan="2"&gt;
			&lt;table class="db_preview_images" id="db_book_images_5643"&gt;&lt;tr&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/geometric-progression-circle001/"&gt;&lt;img src="http://i2.dripbook.com/t/110000/1988/22/107781_96_sqr_144960.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/geometric-progression-circle001/"&gt;&lt;img src="http://i2.dripbook.com/t/110000/1988/22/107780_96_sqr_f6f5c2.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/geometric-progression-circle001/"&gt;&lt;img src="http://i2.dripbook.com/t/110000/1988/22/107779_96_sqr_b1ea3c.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/geometric-progression-circle001/"&gt;&lt;img src="http://i2.dripbook.com/t/330000/1988/35/326405_96_sqr_0e350a.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/geometric-progression-circle001/"&gt;&lt;img src="http://i1.dripbook.com/t/110000/1988/22/107777_96_sqr_19a091.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;td width="96"&gt;&lt;a href="http://www.dripbook.com/seashellnoise/book/geometric-progression-circle001/"&gt;&lt;img src="http://i1.dripbook.com/t/110000/1988/22/107776_96_sqr_7667c4.jpg" border="0"/&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;
		&lt;/td&gt;
	&lt;/tr&gt;
&lt;/table&gt;</itunes:subtitle><author>None (Ahmed Foula)</author><pubDate>Mon, 09 Nov 2009 10:40:50 -0000</pubDate><comments>None</comments><guid>http://www.dripbook.com/seashellnoise/book/5643/</guid><enclosure url="http://i2.dripbook.com/t/110000/1988/22/107777_800_19a091.jpg" length="17932" type="image/jpeg"></enclosure><media:content url="http://i2.dripbook.com/t/110000/1988/22/107777_800_19a091.jpg" medium="image" type="image/jpeg" fileSize="17932"></media:content><georss:point>30.035402 31.239367</georss:point><photo:thumbnail url="http://i2.dripbook.com/t/110000/1988/22/107777_250_19a091.jpg">http://i2.dripbook.com/t/110000/1988/22/107777_250_19a091.jpg</photo:thumbnail><media:thumbnail url="http://i2.dripbook.com/t/110000/1988/22/107777_250_19a091.jpg"></media:thumbnail><itunes:thumbnail href="http://i2.dripbook.com/t/110000/1988/22/107777_250_19a091.jpg"></itunes:thumbnail><media:title>Geometric Progression</media:title><media:description>8 nodes</media:description></item></channel></rss>