Update file week08.md

docs/assignments/week08.md

@@ -273,7 +273,14 @@ For a while my coil didn't work and it turned out that the aligator clips could'
 
 <div style="padding:75% 0 0 0;position:relative;"><iframe src="https://player.vimeo.com/video/884255053?badge=0&amp;autopause=0&amp;quality_selector=1&amp;player_id=0&amp;app_id=58479" frameborder="0" allow="autoplay; fullscreen; picture-in-picture" style="position:absolute;top:0;left:0;width:100%;height:100%;" title="IMG_2286 2"></iframe></div><script src="https://player.vimeo.com/api/player.js"></script>
 
-### **BOUNCING SPIRAL**
+### **BOUNCING SPIRAL**]
+
+**MATERIAL**
+
+1. 4MM Copper Strip
+
+2. Copper wire
+
 
 <div style="padding:75% 0 0 0;position:relative;"><iframe src="https://player.vimeo.com/video/884260038?badge=0&amp;autopause=0&amp;quality_selector=1&amp;player_id=0&amp;app_id=58479" frameborder="0" allow="autoplay; fullscreen; picture-in-picture" style="position:absolute;top:0;left:0;width:100%;height:100%;" title="MOTION"></iframe></div><script src="https://player.vimeo.com/api/player.js"></script>