Originally posted by Ironmanpower
Since he can absorb any king of energy to recharge his energy cells.
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Iron Man's powers and abilities derive from the advanced powered armor that he wears. The armor has evolved from a bulky iron suit to a molecularly aligned matrix of crystallized iron enhanced by magnetic fields over layers of other metals like titanium, creating a shell that is pliable, yet capable of amazing resilience and protection. The suit grants him vast superhuman strength and flight capabilities, and is powered by a combination of solar converters, electrical batteries and an on-board generator that uses beta particle absorption as a fuel source. The suit is also able to convert nearby energy sources, such as heat or kinetic energy into electricity, or even drain electrical energy directly into the batteries for recharge. The suit can be completely sealed for operations in vacuum or underwater, providing its own life support, and is shielded against radiation.
No mention of gamma...