Atomic scientists set 'Doomsday Clock' closer to midnight than ever

The Bulletin of the Atomic Scientists set the clock to 85 seconds before midnight, the theoretical point of annihilation.

Framework sets new benchmarks for 3D atom maps in amorphous materials

Researchers at the California NanoSystems Institute at UCLA published a step-by-step framework for determining the ...

Strength-in-numbers X-ray technique can map previously unattainable atomic structures

For many decades, the method to obtain atomic-level descriptions of chemical compounds and materials—be it a drug, a catalyst ...
Everyday Health

How to Calculate Your Body Mass Index

Body mass index, or BMI for short, is a measure of body weight based on your height. For decades, BMI has been a way to measure whether someone is at a healthy weight. In general, people are ...

How the ocean’s hydrothermal systems made the first life on Earth possible

Researchers have discovered that chemical reactions in underwater hydrothermal vents could have produced the necessary ...
IEEE

Evaluation on mass sensitivity of SAW sensors for different piezoelectric materials using finite-element analysis

Abstract: The mass sensitivity of the piezoelectric surface acoustic wave (SAW) sensors is an important factor in the selection of the best gravimetric sensors for different applications. To determine ...
Oak Ridge National Lab

Synthesis of a new element with atomic number Z=117...

The discovery of a new chemical element with atomic number Z=117 is reported. The isotopes 293117 and 294117 were produced in fusion reactions between 48Ca and 249Bk. Decay chains involving eleven new ...
IEEE

Finite Element Method Parameter Estimation of Atomic Sensor Based on Thermal Network Method

Abstract: The heat distribution is one of the key factors which affects the performance of the atomic sensor. Analysis of component temperature is indispensable when determining the need for heat ...