DNA origami system creates tiny, self-assembling pots and vases

Researchers have developed a new open-source program that can convert drawings or digital models into nanoscale sculptures made of DNA. In tests, the system nailed rounded objects like vases and bowls.Continue ReadingCategory: ScienceTags: DNA, Nano, N… Continue reading DNA origami system creates tiny, self-assembling pots and vases

“World’s smallest record” engraved with part of a Christmas song

The record is just 14 microns wide, and contains the first 25 seconds of the song

Last year, scientists at the Technical University of Denmark (DTU) got in a festive mood and created “the world’s thinnest Christmas tree.” This time, they’ve produced what they claim is the world’s smallest record, complete with a Christmas tune engraved into it.

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Surface sealant uses nanotech to make concrete last longer

Although we’ve been hearing about various stronger forms of concrete, one of the keys to making concrete last longer is to keep water from seeping into it in the first place. A new surface sealant could help, as it reportedly makes existing concrete 75… Continue reading Surface sealant uses nanotech to make concrete last longer

Nano-spotlight used to capture first color photos of carbon nanotubes

Because nanoscale objects are so incredibly small, they don’t reflect enough light for even the best microscopes to discern details such as their color. A new lighting system, however, addresses that problem by acting as a tiny spotlight.Continue Readi… Continue reading Nano-spotlight used to capture first color photos of carbon nanotubes

Compact, portable bad breath detector is in the works

No matter how hard we may try, we can’t really tell if we’ve got bad breath – and asking someone else to sniff our breath for us can be awkward. It’s now possible that before too long, however, a portable “thumb-size” device could let us know.Continue … Continue reading Compact, portable bad breath detector is in the works

Paper-folding art reduced to the nanoscale in engineering breakthrough

There is a lot engineers can learn from Japanese paper folding art forms, from cheap batteries made from paper and water to tiny robots that are activated by heat. While origami gets a lot of the attention, a variation of this called kirigami also has … Continue reading Paper-folding art reduced to the nanoscale in engineering breakthrough