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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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At least 271 records · Page 15
All sourcesNASA NTRSDOE OSTI
DOE OSTI2026

First operation of superconducting quantum bits as particle detectors

Transmon qubits are among the leading technologies for the development of future quantum computers. However these superconducting devices are sensitive to ionizing radiation, which reduces their coherence time and leads to correlated errors. This study represents the first quantitative estimation of cosmic rays and ambient radiation impact on transmon qubits. In the shielded underground facility at the Laboratori Nazionali del Gran Sasso (LNGS), errors induced by the interaction of a radioactive source were reconstructed with an efficiency of about 10%. In contrast, in the unshielded above-ground facility at the Fermi National Accelerator Laboratory (FNAL), cosmic and ambient radiation impacts were detected with an efficiency ranging from 10% to 20% by modifying the acquisition protocol. Lastly, the simultaneous readout of three transmons in coincidence was demonstrated, achieving an event reconstruction efficiency of 90% when the devices were illuminated with an LED.

Bonomo, Camilla [Rome U.; INFN, Rome]↗
DOE OSTI2022

KBase Narrative - BIT 295 MRA Isolate 106- Final

Arthrobactor is a bacteria that commonly resides in soil, plants, and wastewater (Gobbetti 2014). It is commonly used in the agricultural industry for degrading pesticides which will detox the soil and allow wildlife not to be harmed by said pesticides. The sample that is being tested came from an acid drain from a mine. The test sample was able to live and thrive in a metal ridden environment which could lead it to having some genes that could aid in e-waste recycling. A species of arthrobacter known as Arthrobacter citreus can be used for polyamide waste (Baxi 2019). Polyamide is used in fishing nets and industrial applications and the waste generated by this impacts ocean environments and ecosystems (Rietzler et all... 2021). Based on the resilience of arthrobacter as a genus, the hopes for this sample to aid in e-waste recycling are high.

Chadha, Aditya↗
NASA NTRS1966

Multisurface fixture permits easy grinding of tool bit angles

Multisurface fixture with a tool holder permits accurate grinding and finishing of right and left hand single point threading tools. All angles are ground by changing the fixture position to rest at various references angles without removing the tool from the holder.

Jones, C. R.↗