atomic resolution

Light passing by a tiny structure changes direction. If the structure is smaller than the wavelength of the light, it acts like a lens and focuses the light into a spot smaller than the wave itself.

The James Webb Space Telescope peered into the era when the expansion of the Universe stretched the light of distant objects into the red, and found a scattering of strange sources — 'little red dots'. Their spectra broke the usual patterns: they are blue in the ultraviolet, but deep red in the optical, as if seen through a cherry veil.

A neutral-atom quantum computer is like a library where books not only need to be read but also quickly returned to the shelf. Slow readout of results is like a sluggish librarian holding up the entire queue. Scientists have found a way to speed up this process by adding helpers.

Any cook knows: whether dough sticks to a pan depends on what happens at the interface between two media. For molten metals, that interface long remained invisible — temperatures above 200 °C made it impossible to resolve individual atoms.

A quantum computer holds atoms in light traps, like marbles in dimples. To read out the answer, you need to photograph each atom and determine whether it's glowing or not. Previously, analyzing such an image took so long that the computer sat idle. Now, engineers have created a specialized board that looks at the photo and instantly finds all the atoms.

In a molecule resembling chlorophyll and built from carbon, a metal atom at the center acts as a toggle. Shifting it by fractions of a nanometer can make the molecule glow, quench, or boost its brightness a hundredfold.

Diamond is the hardest natural material, and working with it usually feels like a sculptor using a jackhammer: rough, with cracks and chips. But electronics demands jeweler-like precision, because diamond conducts heat superbly, withstands high temperatures, and can work in quantum devices.

The future neutrino detector will contain millions of tiny plastic cubes: each the size of a die. They flash when a ghostly particle passes through, and that flash must be captured and measured. But if a cube is warped, has a burr, or a hole in the wrong place, the signal gets distorted, and the detector starts lying. Checking each cube by hand is like sifting through sand on a beach.

Quantum materials are like finicky flowers: they only bloom in the cold. At room temperature, they hide their unusual properties, but when deeply cooled, they become superconductors or change their magnetic behavior. To understand how they work, you need to examine their atoms in the very cold where these properties reside.

Gold on carbon is a classic pairing in chemistry. Such materials speed up important reactions, like producing vinyl chloride for plastics. But until now, no one had seen in detail how gold atoms behave on a graphite surface when the whole thing is immersed in a liquid.

The tip of a scanning tunneling microscope approaches a crystal surface so closely that an electric current jumps between them. Electrons from the needle are injected into a layered semiconductor and land in an atomic vacancy — a spot where one atom is missing from the lattice. This void acts as a tiny trap for charge.

Our body's tissue is like a city: different neighborhoods are home to different cells, each with its own job. To understand how this city is organized, biologists take images showing which genes are active at each spot. But sharp images are expensive, and cheap ones come out blurry, like a photo of a city from high above, where individual buildings are hard to make out.

Light passing through a stained cell loses some of its strength, like a flashlight beam cutting through a glass of tea. The denser the color, the more light is absorbed. But until now, a microscope could only show a flat shadow of this process, not its volume.

A crystal one atom thick is like a sheet of paper you can write on with electricity. Such a material promises to become the foundation for tiny, fast microchips. But before putting it into production, you need to know exactly what it's made of. And that's where the usual formula falls apart.

A tiny speck of silver is born in a laser beam and immediately starts to grow — faster than you can blink. An ordinary microscope can't keep up with that speed, so until now no one had seen exactly how a nanoparticle appears and gains size. Now scientists have a tool that captures this 'movie' frame by frame.

Atomic qubits 'snap' computations in microseconds, but capturing the result with a light-sensitive camera stretches out to milliseconds — thousands of times longer.