wk6 coffee plastic

docs/assignments/week06.md

@@ -210,20 +210,20 @@ Using a much larger piece of salmon skin this time,
 I thought I would try a different tanning bath to see what the results will be. To the black tea tanning bath...I added **Kakishibu**...a highly tannic Japanese persimmon extract.    
 
 ![Alt text](../images/week06/biomaterial35.jpg)
-![Alt text](../images/week06/biomaterial31.jpg)
 
 Starting at one capful, I increased the amount every day by one capful for 15 days.   
 
-![Alt text](../images/week06/biomaterial33.jpg)
+I also added some **Red Bengara dye powder** to the tanning bath...thinking that I could turn the leather red over the 15 day tanning process. It didn't work. The color somehow didn't penetrate into the leather.  
 
-I also added some Red Bengara dye powder to the tanning bath...thinking that I could turn the leather red over the 15 day tanning process. It didn't work. The color somehow didn't penetrate into the leather.
+![Alt text](../images/week06/biomaterial33.jpg)
+![Alt text](../images/week06/biomaterial31.jpg)
 
 **Results**
 
 I tanned this big piece of fish skin for 15 days...slowly increasing the amount of Kikishibu in the tanning bath. Like the previous fish skin, I conditioned the leather by hand-rubbing Coconut Oil into the skin.  The end result is a tough, semi-stiff, strong piece of leather. A very different texture than the leather from the first experiment.  
 
 ![Alt text](../images/week06/biomaterial21.jpg)
-![Alt text](../images/week06/biomaterial18.jpg){ width=150 }![Alt text](../images/week06/biomaterial19.jpg){ width=150 }![Alt text](../images/week06/biomaterial20.jpg){ width=150 }
+![Alt text](../images/week06/biomaterial18.jpg){ width=200 }![Alt text](../images/week06/biomaterial19.jpg){ width=200 }![Alt text](../images/week06/biomaterial20.jpg){ width=200 }
 
 ## Crafted Material > Bio-Plastic: Coffee Ground
 
@@ -232,18 +232,37 @@ I followed this [tutorial](https://www.youtube.com/watch?v=-xPsR9WuR30) to make
 **Recipe:**  
 
 40g Coffee Grounds  
+![Alt text](../images/week06/coffee12.jpg){ width=300 }
+
 30g Starch  
+![Alt text](../images/week06/coffee14.jpg){ width=300 }
+
 15g Agar Agar  
+![Alt text](../images/week06/agar01.jpg){ width=300 }
+
 10ml Glycerin (the recipe calls for glycerol...but I only had glycerin)  
+![Alt text](../images/week06/coffee08.jpg){ width=300 }
+
 10ml Vinegar (I used generic white cooking vinegar)  
+![Alt text](../images/week06/coffee07.jpg){ width=300 }
+
 100ml Water  
 
-I mixed heated the above ingredients on a stove until the mixture turned into a paste.  
+I mixed heated the above ingredients on a stove (stirring constantly over medium heat) until the mixture turned into a paste. The process was fast...taking only a few minutes to complete.  
+
+![Alt text](../images/week06/coffee09.jpg){ width=300 }
+![Alt text](../images/week06/coffee06.jpg){ width=300 }
+
 
 Then I transferred the mixture into a mold consisting of 2 small round aluminum plates. 
+![Alt text](../images/week06/coffee04.jpg){ width=300 }
+![Alt text](../images/week06/coffee03.jpg){ width=300 }
 
-I put the aluminum mold into a small oven and ran it for 15mins at about 150C. The material expanded and steam released during the heating. After 15mins, I leave it to cool and will repeat the process several times until I feel the bio-plastic has fully cured.  
+I put the aluminum mold into a small oven and ran it for 15mins at about 150C. The material expanded and steam released during the heating.  
+![Alt text](../images/week06/coffee02.jpg){ width=300 }
 
+After 15mins, I leave it to cool and will repeat the process several times until I feel the bio-plastic has fully cured.  
+![Alt text](../images/week06/coffee01.jpg){ width=300 }
 
 ## Grown Material > Bio-Plastic: Green Hair Algae