The V-660 is a double-beam spectrophotometer utilizing a double monochromator and a photomultiplier tube detector. The use of a double monochromator provides high resolution with extremely low stray ...

Michael Logan is an experienced writer, producer, and editorial leader. As a journalist, he has extensively covered business and tech news in the U.S. and Asia. He has produced multimedia content that ...

Abstract: This article conducts theoretical analysis and numerical calculation of the planar gyrotron, using a high-frequency interaction model with the double sheet electron beam and the transverse ...

A biomarker is a biological characteristic that is objectively measured and evaluated as an indicator of normal biological or pathological processes, or a response to a therapeutic intervention.

The Rasmussen Reports daily Presidential Tracking Poll for Friday shows that 45% of Likely U.S. Voters approve of President Trump’s job performance. Fifty-three (53%) disapprove. The latest figures ...

To help you effectively understand and manage the finances of your small business, we've tested the top accounting software based on customization, features, ease of use, value, and more. I’ve been ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Gordon Scott has been an active investor and ...

According to Sawyer Merritt (@SawyerMerritt), SpaceX plans to double production of its Starlink kits at the Bastrop, Texas facility by 2026 to address increasing global demand. The expansion will ...

The capture of dictator and drug trafficker Nicolás Maduro by the United States has unleashed the anger of the Spanish left. A few months ago, the Spanish left refused to call for an end to the ...

New Delhi: After India said it was “deeply concerned” by reports that the residence of Russian president Vladimir Putin had been targeted, Ukrainian president Volodymyr Zelenskyy accused New Delhi and ...