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Synopsis: Diamond Qubits Take the Stage

A ten-qubit system based on spins in impure diamond achieves coherence times of over a minute.

In the global race to build a quantum computer, it’s still unclear what material will make the best qubit. Companies have bet on a variety of architectures based on trapped ions, neutral atoms, superconducting circuits, and more. Now, Tim Taminiau of Delft University of Technology, Netherlands, and colleagues have demonstrated that they can manipulate magnetic spins inside diamond into the robust quantum states necessary for quantum computing. In their experiment, they entangle all possible pairs of a ten-qubit system and produce states in which seven different qubits are entangled simultaneously. They also show that individual qubits can retain quantum coherence for up to 75 s—a record for solid-state systems.

India’s Moon Mission Was Anything But A Failure. Here’s Why

The fact that ISRO managed to place it there is an enormously laudable feat, and act of technical wizardry so immediately rewarding that it almost doesn’t matter that Vikram toppled over and went silent. It is, of course, hugely disappointing that Vikram looks to be unrecoverable. The science it and its Pragyan rover could have carried out in one of the geologically strangest and increasingly strategic parts of the Moon would have been a thrill to see. But, you know, space is hard.

India’s lunar lander and rover may not be recoverable, but the mission managed to successfully deploy an eye in the Moon’s airless skies, one that will conduct up to seven years of groundbreaking interplanetary science.

New Wearable Device Could Accurately Detect Cancer

cancer

Biopsies are currently the best way to detect cancer, but they’re invasive, uncomfortable, and can take a while to come back. Researchers have long been trying to find ways to eliminate the need for biopsies, and a team from the University of Michigan may have found one. Their new device, which is currently being tested, may be able to detect cancer cells that are circulating in a patient’s blood.

The University of Michigan team calls their new device “the epitome of precision medicine.” Dr. Daniel Hayes, Professor of Breast Cancer Research at the University of Michigan Rogel Cancer center, believes that getting cancer cells from a patient’s blood could help researchers to learn more about the makeup of the tumor. He and his team created a wearable device that looks through the blood to filter out cancerous cells. If the device is found to be successful, it may eventually replace liquid biopsies (blood or urine samples) that pick up cancer markers.

cancerMalignant tumors release cells into a patient’s blood, meaning that researchers could detect the presence of cancer through a blood sample. The problem is that the cancerous cells enter the bloodstream and circulate so quickly that they may not appear in one single blood sample. This issue is what sparked Dr. Hayes and his team to develop a device that actually searches for the cancerous cells.

Dietary supplement may help with schizophrenia

A dietary supplement, sarcosine, may help with schizophrenia as part of a holistic approach complementing antipsychotic medication, according to a UCL researcher.

In an editorial published in the British Journal of Psychiatry, Professor David Curtis (UCL Genetics, Evolution & Environment and QMUL Centre for Psychiatry) suggests the readily available product could easily be incorporated into treatment plans, while calling for clinical trials to clarify the benefit and inform guidelines.

“Sarcosine represents a very logical treatment and the small number of so far do seem to show that it can be helpful. It certainly seems to be safe and some patients report feeling better on it,” he said.

Black hole at the center of our galaxy appears to be getting hungrier

The enormous black hole at the center of our galaxy is having an unusually large meal of interstellar gas and dust, and researchers don’t yet understand why.

“We have never seen anything like this in the 24 years we have studied the ,” said Andrea Ghez, UCLA professor of physics and astronomy and a co-senior author of the research. “It’s usually a pretty quiet, wimpy black hole on a diet. We don’t know what is driving this big feast.”

A paper about the study, led by the UCLA Galactic Center Group, which Ghez heads, is published today in Astrophysical Journal Letters.

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