Abstract: This paper deals with two critical issues about uniform circular arrays (UCAs): frequency-invariant response and steering flexibility. It focuses on some optimal design of ...

As TPG's cruise team lead, Gene Sloan oversees the site's cruise content and also writes many of TPG's main cruise guides. He has spent nearly 30 years writing about cruise ships and cruising, and he ...

More than 80 percent of the world’s oceans remain unmapped and unobserved, according to NOAA. Since the 1990s, a network of hydrophones originally built to monitor nuclear weapons testing has picked ...

Pilot program to reimburse patients for hemp-derived products could be undermined by ban passed by Congress The Centers for Medicare and Medicaid Services recently started a new pilot to reimburse ...

. Most Americans fall below the recommended daily intake, which is just one of the reasons they may turn to a fiber supplement. But if you were to compare fiber supplements vs. fiber-rich food, is one ...

If you've been on the fence about adding solar panels to your home, the pros at EnergySage have some math for you to check out. They've offered calculations for sorting out how worthwhile solar panels ...

Simulation of an initially uniform beam of electrons & positrons interacting with a plasma. As the beam travels through the background plasma, the positrons (red) become focused while the electrons ...

Read more: Swiss group supports Gulf oil and gas repairs In Switzerland, the real debate on citizens’ assemblies begins now Read more: In Switzerland, the real debate on citizens’ assemblies begins ...

One of the best visualizations ever produced of the spectrum of light from our glorious Sun reveals some mysterious holes in its array of colors. Most of the thousands of dark Fraunhofer lines in the ...

The COVID vaccines have saved millions of lives from a virus that has killed more than seven million people globally. Many safety studies and real-world evidence from billions of doses show that the ...