Add glass prisms and light detectors

These are for crafting the spectrophotometer.

data/json/items/tool/science.json

@@ -127,5 +127,34 @@
     "material": [ "plastic", "glass" ],
     "symbol": ";",
     "color": "light_gray",
+  },
+  {
+    "id": "light_detector",
+    "type": "TOOL",
+    "category": "tools",
+    "name": "light detector",
+    "description": "This is a photodiode on a chip, designed to convert incoming light to electrical energy for quantification.",
+    "weight": 50,
+    "volume": 1,
+    "price": 400,
+    "to_hit": -5,
+	"looks_like": "e_scrap"
+    "material": [ "plastic" ],
+    "symbol": "#",
+    "color": "light_gray",
+  },
+  {
+    "id": "glass_prism",
+    "type": "TOOL",
+    "category": "tools",
+    "name": "glass prism",
+    "description": "This is a high quality crystal glass prism for separating and redirecting light.",
+    "weight": 50,
+    "volume": 1,
+    "price": 400,
+    "to_hit": -5,
+    "material": [ "glass" ],
+    "symbol": "^",
+    "color": "white",
   }
 ]