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Titanium "has long been touted as the metal of the future," writes Dwell, "due to its strength, rust resistance, and amazing lightness." But can careful atom-stacking lead to something better?

An anonymous reader writes:Researchers have discovered a way to create a new "metallic wood" material that is as strong as titanium, but five times lighter, reports Dwell. "So far, the researchers have built a sheet of nickel with nanoscale pores that is almost 70 percent empty space... It was created by building tiny plastic spheres, suspending them in water, allowing the water to evaporate, and then electroplating the spheres with nickel. Researchers then dissolved the plastic spheres, producing an incredibly strong, porous metal that floats on water." Researchers are also considering the possibility of filling its empty space with an energy-storing material. "For example, a prosthetic leg made from this material and infused with anode and cathode materials, could also be a...(continued)

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