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Новости за 17.08.2023

Quantum physicists simulate super diffusion on a quantum computer

Sciencedaily.com 

Quantum physicists have successfully simulated super diffusion in a system of interacting quantum particles on a quantum computer. This is the first step in doing highly challenging quantum transport calculations on quantum hardware and, as the hardware improves over time, such work promises to shed new light in condensed matter physics and materials science.

With advances in in vitro models, group proposes refined legal definition of an embryo

Sciencedaily.com 

Thanks to continuous advances in human stem cell research, studies that make use of embryo models are progressing quickly. This research offers both a scientific and ethical alternative to the use of embryos resulting from fertilized human eggs, and the appropriate ethical guidelines have been developed in parallel with the advances being made. A group of biologists and ethicists suggest additions to the current ethical framework that refine thinking about human embryology using embryo models to maximize benefits to society.

To improve solar and other clean energy tech, look beyond hardware

Sciencedaily.com 

A new analysis reveals that soft technology, the processes to design and deploy a solar energy system, contributed far less to the total cost declines of solar installations than previously estimated. Their quantitative model shows that driving down solar energy costs in the future will likely require either improving soft technology or reducing system dependencies on soft technology features.



America's wealthiest 10% responsible for 40% of US greenhouse gas emissions

Sciencedaily.com 

A new study reveals that the wealthiest Americans, those whose income places them in the top 10% of earners, are responsible for 40% of the nation's total greenhouse gas emissions. The study links income, especially income derived from financial investments, to the emissions used in generating that income. The authors suggest that policymakers adopt taxes focused on shareholders and the carbon intensity of investment incomes in order to equitably meet the goal of keeping the global temperature to... Читать дальше...

Race-based variations in gut bacteria emerge by 3 months of age

Sciencedaily.com 

Early social and environmental exposures can have large and lasting effects on child development and adult health. One of the systems that is vulnerable to external influence is the gut microbiome. A new study highlights a critical development window during which racial differences in the gut microbiome emerge. The findings are based on analysis of data from 2,756 gut microbiome samples from 729 U.S. children between birth and 12 years of age.

New insights into fighting antimicrobial resistance

Sciencedaily.com 

Cooking food thoroughly and avoiding some types of vegetables and salad during a course of antibiotic treatment could potentially reduce antibiotic resistance, by preventing bacteria carrying resistance genes getting into the gut, according to a new study.

urFlamp V63 retractable flashlight review – You choose the battery and the size!

PocketChess 2.0 vs. Chess Genius 1.2 

CROWDFUNDING REVIEW – Do me a favor and walk around your house and garage to count the number of flashlights you have.  Now count how many of them need batteries or no longer work.  I did this exercise and I counted 23.  23 flashlights of different shapes and sizes that required 4A, 3A, 2A, 9-volt, …

urFlamp V63 retractable flashlight review – You choose the battery and the size! Read More





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