To paraphrase it:
Researchers have developed what they are billing as the world’s lightest material. With a density of 0.9 mg/cc, it is about one hundred times lighter than Styrofoam™
![Shocked :shock:](./images/smilies/econ_shocked.gif)
![Shocked :shock:](./images/smilies/econ_shocked.gif)
Likely even more expensive and rare than the most precious unobtainium, it's pretty impressive what nanotechnology can come up with.