THE ROAD MOST TAKEN
Background: This week we published a paper that defines the optimal path through quantum space. In short: classical systems are unmoved when a measurement is performed. Not so quantum systems, where continuous monitoring can direct the quantum state along a random path. The authors have tracked the quantum trajectories in a qubit, consisting of two aluminum paddles connected by a tunable Josephson junction deposited on silicon.
The team managed to determine which of the possible paths between an initial and a final quantum state is the most probable and show that these ‘optimal paths’ are in agreement with the route predicted by theory, a quantum relative of the principle of least action that defines the correct path linking two points in space and time in classical mechanics.
As well as giving insights into the interplay between measurement dynamics and evolution of a system, this work opens up new possibilities for first-principles synthesis of control sequences for complex quantum systems and in information processing.
Design challenge: This striking visualisation was created by Kater Murch, one of the authors of the paper. It shows individual quantum trajectories, with the whole showing ‘optimal paths.’ The starkness of the many white trajectory lines on a black background immediately drew our attention, and we asked the team to work with us on a cover.
Specifically, we asked Murch if he wouldn’t mind experimenting with various colour patterns, to see how it might affect the ability to see the optimal paths (see bottom image) but in the end we decided that the random colours actually made it more difficult to see the overall result, and stayed with the original black and white.
For What’s it’s WorthThese images combine photography and computer generated elements in an effort to visualise the output of a mine. The CGI objects represent a scale model of the materials removed from the mine, a solid mass occupying a scene which shows the ground from which it was extracted. By doing so, the intention is to create a kind of visualisation of the merits and shortfalls of mining in South Africa, an industry that has shaped the history and economy of the country so radically.
Vampire doctors that can smell if you have a blood disease.
Werewolf therapy animals for sick kids.
Nature sprite and nymph nurses that always make sure people have pretty flowers to brighten up their white rooms.
Fauns that go around and sing and dance for patients so that they smile.
Nice monster hospitals would be amazing
Someone write a book about this.
Submitted to MasterChef by sayattheexplorer
My desire to highlight all the ingredients was really stumped by the mystery box at first. I had extremely pungent ingredients such as balsamic vinegar, soy sauce, blue cheese, mustard, and Kosher dill pickles. Bringing these flavors out to the same plate and have them not fight each other is no easy task. Drunk Quebecois food and a refreshing Thai salad to balance the weight of the blue cheese gravy made so much sense! I went all out and got intoxicated to test the recipes!
Larb with an international profile
Instead of the traditional fermented fish and lime elements, I used soy sauce, mustard, pickles, and balsamic vinegar. Rice, beef, nuts and the overall flavor profile remain true to the traditional dish that is both Laotian and Northern Thai. Bright and deep in umami, satisfying and flavorful!
Poutine with blue cheese
Poutine is a specialty of Quebec, typically served as fries with cheese curds and brown gravy. I used blue cheese curds, soy sauce, and beef broth to make mine. It was not surprisingly phenomenal when sober and divine when intoxicated.
Go to my blog for the detailed instructions to execute this great plate — bon appetit, have fun and stay tuned for the next challenge!