Caltech

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Caltech articles

Displaying 1 - 5 of 5

Metasurfaces replace adhesive tape in microscope

Metasurfaces replace adhesive tape in microscope
The latest advance in a new type of optics aimed at improving microscopy started with a game of tennis three years ago. Unwinding after a long day of research in their respective labs, Mooseok Jang (PhD '16) and Yu Horie (who will receive his PhD in June 2018)—at the time, both graduate students at Caltech—met up for a game of tennis at Caltech's Braun Athletic Center courts.
5th March 2018

Process enables 3D printing of nanoscale metal structures

Process enables 3D printing of nanoscale metal structures
For the first time, it is possible to create complex nanoscale metal structures using 3D printing, thanks to a new technique developed at Caltech. The process, once scaled up, could be used in a wide variety of applications, from building tiny medical implants to creating 3D logic circuits on computer chips to engineering ultralightweight aircraft components. It also opens the door to the creation of a new class of materials with unusual properties that are based on their internal structure.
12th February 2018

Designing metamaterials with quantum mechanics

Designing metamaterials with quantum mechanics
Engineers at Caltech and ETH Zürich in Switzerland have created a method to systematically design metamaterials using principles of quantum mechanics. Their work could pave the way for wider use of metamaterials in more mainstream applications by creating a purpose-driven framework for their design. Metamaterials are engineered materials that exploit the geometry of their internal structure to manipulate incoming waves.
18th January 2018


The world's smallest Mona Lisa

The world's smallest Mona Lisa
In 2006, Caltech's Paul Rothemund (BS '94)—now research professor of bioengineering, computing and mathematical sciences, and computation and neural systems—developed a method to fold a long strand of DNA into a prescribed shape. The technique, dubbed DNA origami, enabled scientists to create self-assembling DNA structures that could carry any specified pattern, such as a 100-nanometer-wide smiley face.
13th December 2017

Engineers develop stable plasma ring in open air

Engineers develop stable plasma ring in open air
For the first time, engineers at Caltech have created a stable ring of plasma in open air—essentially capturing lightning in a bottle, but without the bottle. Matter can exist in four distinct phases: solid, liquid, gas, and plasma. Plasmas are made of charged particles—ions and electrons—and occur naturally on Earth as lightning, in the weather phenomenon called St. Elmo's fire, and in man-made objects such as fluorescent light bulbs and plasma cutting torches.
15th November 2017


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