Abstract: This paper presents the design of a microstrip line-fed substrate-integrated waveguide (SIW) ring antenna designed to excite a sixth-order circularly polarized conical radiation pattern.

cSection of Health Services Research, Department of Public Health, University of Copenhagen, Copenhagen, Denmark dPharmacovigilance Research Center, Department of Drug Design and Pharmacology, ...

An illustration of a magnifying glass. An illustration of a magnifying glass.

The US Presidential Line of Succession: Do you know what happens when the President of the United States does their job? With more than 330 million people living in the country, it's important to know ...

Ontario Cancer Institute, University Health Network, Canada, Department of Chemistry and Pharmacy, Friedrich-Alexander University Erlangen, Germany, Banting and Best Department of Medical Research, ...

The Aadhaar PVC cards, which are a more durable, wallet-sized version of the Aadhaar, are now supported by the Unique Identification Authority of India (UIDAI). These cards can be ordered by you and ...

If you are a pensioner who is enrolled under the Employees' Pension Scheme (EPS), a scheme handled by the Employees' Provident Fund Organisation (EPFO), your Pension Payment Order (PPO) number is your ...

ment was employed to conduct this case study qualitative research with two mathematics student teachers who participated in the study as case studies. This research was carried out in two sixth grade ...

An animated journey into the world of rational numbers! A fraction thief disrupts a number town, leading to a fun exploration of fractions, natural numbers, and mathematical concepts. Donald Trump's ...