Sentences with phrase «nanometres across»

Keeping electrons on track is easy: they obediently confine themselves to metal wires as thin as a few nanometres across.

For their atoms, the team used polystyrene microspheres — either 540 or 850 nanometres across, more than 2000 times bigger than real atoms — coated in a substance that binds to DNA.

At the tip, the spot of light emitted is 50 nanometres across, a tenth of the blue - green light's wavelength.

The dots were about 60 nanometres across.

Quantum dots are tiny structures, measuring no more than a few nanometres across, which due to quantum confinement can only assume certain, discrete states comparable to the energy level of a single atom.

Metamaterials extend this concept with artificial structures that might be nanometres across for visible light, or as large as a few millimetres for microwave radiation.

Selecta has developed a nanoparticle delivery system in which an immune - modifying compound is contained in biodegradable plastic particles just 150 nanometres across.

The smallest wire they have observed is about 1.2 nanometres across — just two to three atoms.

Today, shrunk to just nanometres across and carved into beds of silicon, these electrical on - off switches mass in their billions on every single computer chip.

Solid chips of metal about 20 nanometres across will slide through carbon nanotubes when an electric current is switched on.

A map of the Americas measuring just a few hundred nanometres across has been created out of meticulously folded strands of DNA, using a new technique for manipulating molecules dubbed «DNA origami».

Here, cloud formation depends partly on trace gases condensing to form particles just 1 nanometre across, which can then grow large enough to act as CCNs.

Not exact matches

Kumar Wickramasinghe, who developed the microscope with Yves Martin at IBM's Thomas J. Watson Research Center in New York, says the probe feels the surface from a height of between 3 and 5 nanometres and detects features as small as 10 atoms across.

The pillars are only a few tens of nanometres apart, which lets the team cram tens of thousands of spots of colour across every centimetre of the surface.