NANOPEN, India—Black Tie 4 is an Indian company developing a nano-tinkering tool for making nanoparticles for energy storage and biofuels.The tool, a catalyst that can make and store nanoparticles, was demonstrated at the India Aerospace Research Organisation (IARAO) in New Delhi on Monday.Nanoparticles, also called nanoparticles and microtubes, are small, flexible, and chemically stable.Nanosquatters are tiny, lightweight, and water-soluble nanoparticles […]