C&EN

Using Nucleophilic Aromatic Substitution as an Alternate Sustainable Pathway to 4,5-Dihalogenated Phthalonitriles

Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College Street, Toronto, Ontario, Canada M5S 3E5 Department of Chemistry, University of Toronto, 80 St. George ...
Investing

Earnings call transcript: Cipher Mining’s Q3 2025 reveals strategic shift

Cipher Mining Inc. reported its third-quarter earnings for 2025, revealing a strategic pivot towards high-performance computing (HPC) amidst a challenging earnings landscape. The company posted ...
IEEE

In-Orbit Space Situational Awareness Using Doppler Frequency Shift

Abstract: With near-Earth space becoming increasingly congested, the threat of satellite collisions escalates. Existing collision avoidance methods heavily rely on ground-based radar measurements to ...
IEEE

X-Ray Pulsar Navigation Based on Phase and Doppler Frequency Shift Using Double-Differenced

Abstract: To suppress the systematic errors of the X-ray pulsar navigation system (XPNAV) based on the phase and Doppler frequency shift, and eliminate singularity phenomena, a double-differenced ...