Two FAST-discovered pulsars: Follow-up observations determine their fundamental parameters

Using the Green Bank Telescope (GBT), astronomers from West Virginia University and elsewhere have observed two distant ...
Edutopia

Strategies to Help Build Students’ Math Fact Fluency

1. Fast and Slow Piles. This works well as a starting or closing activity. Students sort math fact cards into fast and slow piles. This visual way of tracking facts highlights which facts come ...
IEEE

High-Accuracy Frequency Standard Comparison Technology Combining Adaptive Frequency and Lissajous Figure

Abstract: To meet the requirements of high-precision measurement of time-frequency multiparameters, a high-accuracy frequency standard comparison technology combining adaptive frequency and Lissajous ...