diff --git a/NuclearElems b/NuclearElems
new file mode 100644
index 00000000..d1ea3899
--- /dev/null
+++ b/NuclearElems
@@ -0,0 +1,205 @@
+// energy:
+
+elements.gama = {
+    color: "#e78930",
+    tick: behaviors.BOUNCY,
+    category: "energy",
+    conduct: 1,
+    hardness: 0,
+    state: "gas",
+    name: "gama",
+    density: 0,
+    temp1: 100,
+    hidden: false,
+
+    reactions: {
+        body: {elem1: "radiation"},
+        head: {elem1: "radiation"},
+        neutron: {elem1: "positron"},
+        lead: {elem1: null, chance: 0.5},
+    },
+
+    behavior: [
+        "XX|XX|XX",
+        "XX|DL%0.2|XX",
+        "XX|XX|XX"
+    ],
+    
+    ignoreAir: true,
+};
+
+elements.alpha = {
+    color: "#ddda2a",
+    tick: behaviors.BOUNCY,
+    category: "energy",
+    state: "gas",
+    name: "alpha",
+    density: 0,
+    temp1: 50,
+    hidden: false,
+    conduct: 0,
+    hardness: 0,
+
+    reactions: {
+        body: {elem1: "radiation"},
+        head: {elem1: "radiation"},
+        neutron: {elem1: "positron"},
+        lead: {elem1: null},
+    },
+
+    behavior: [
+        "XX|XX|XX",
+        "XX|DL%0.2|XX",
+        "XX|XX|XX"
+    ],
+
+    ignoreAir: true,
+};
+
+elements.beta = {
+    color: "#3ba0a3",
+    tick: behaviors.BOUNCY,
+    category: "energy",
+    state: "gas",
+    name: "beta",
+    density: 0.5,
+    temp1: 150,
+    conduct: 1,
+    hardness: 0.5,
+    hidden: false,
+
+    reactions: {
+        body: {elem1: "radiation"},
+        head: {elem1: "radiation"},
+        neutron: {elem1: "positron"},
+        lead: {elem1: null},
+    },
+    
+    behavior: [
+        "XX|XX|XX",
+        "XX|DL%0.2|XX",
+        "XX|XX|XX"
+    ],
+
+    ignoreAir: true,
+};
+
+// nuclear:
+elements.graphite = {
+    color: "#8a8383",
+    density: 2.3,
+    state: "solid",
+    conduct: 0,
+    hardness: 1,
+    name: "graphite",
+    hidden: false,
+    category: "solids",
+
+    tempHigh: 3626,
+    stateHigh: "molten_graphite",
+
+    behavior: [
+        "RL:neutron%2 AND RL:radiation%1"
+    ],
+
+    reactions: {
+        neutron: {elem2: null, chance: 0.8}
+    },
+};
+
+elements.boron = {
+    color: "#948d8d",
+    density: 2.37,
+    conduct: 0,
+    hardness: 1,
+    name: "boron",
+    category: "solids",
+
+    tempHigh: 2076,
+    stateHigh: "molten_boron",
+
+    reactions: {
+        neutron: {elem2: null, chance: 0.9},
+    },
+
+    behavior: [
+        "RL:radiation%0.01"
+    ],
+};
+
+elements.plutonium = {
+    color: "#c5a61d",
+    density: 19.86,
+    conduct: 0,
+    hardness: 1,
+    category: "solids",
+    name: "plutonium",
+    state: "SOLID",
+
+    tempHigh: 375,
+    stateHigh: "molten_plutonium",
+
+    behavior: [
+        "RL:gama%0.2 AND RL:alpha%0.3 AND RL:beta%0.05 AND RL:radiation%0.2",
+    ],
+
+    reactions: {
+        neutron: {temp1: 150, elem2: "radiation"}
+    },
+
+};
+
+// states:
+
+elements.molten_boron = {
+    color: "#b88c2e",
+    density: 2.3,
+    state: "MOLTEN",
+    category: "liquids",
+    hidden: true,
+    tick: behaviors.MOLTEN,
+    
+    tempLow: 2056,
+    stateLow: "boron",
+
+    behavior: [
+        "RL:radiation%1 AND RL:neutron%0.05"
+    ],
+
+};
+
+elements.molten_graphite = {
+    color: "#d18719",
+    density: 2.3,
+    state: "MOLTEN",
+    category: "liquids",
+    hidden: true,
+    tick: behaviors.MOLTEN,
+
+    tempLow: 3580,
+    stateLow: "graphite",
+
+    behavior: [
+        "RL:radiation%3 AND RL:neutron%5"
+    ],
+
+};
+
+elements.molten_plutonium = {
+
+    color: "#ffd900",
+    state: "MOLTEN",
+    category: "liquids",
+    hidden: true,
+
+    behavior: behaviors.MOLTEN,
+
+    tempLow: 350,
+    stateLow: "plutonium",
+
+    tick: function(pixel) {
+        if (pixel.temp > 600) {
+            changePixel(pixel, "n_explosion")
+        }
+    },
+};