EXPERIMENTS on the propagation of high-frequency radio waves have recently been made by Warren and Hagg 1, who have published a photographic record showing the relation between the wave frequency ...

thanks to a quirk of science that lets broadcasters bounce radio waves off the ionosphere, it can reach thousands of miles, penetrating rough terrain and geopolitical boundaries. How did this ...

The Ministry of Climate Change has accelerated efforts to designate snow leopard as an international symbol of climate adaptation at the United Nations General Assembly. During a meeting in Islamabad, ...

Central to physics are ideas such as energy, mass, particles and waves. Physics attempts to both answer philosophical questions about the nature of the universe and provide solutions to ...

High pressure may affect TV & Radio services across parts of the UK week of 19th May 2025 High-pressure weather conditions are currently affecting some areas of the UK, causing problems to ...

Abstract: During the past 20 years the value of the microwave approach to electromagnetic field problems has been amply demonstrated. The purpose of this paper is to show the basic similarity of ...

The 'invalid' passport that cost a man £1,500 and other travel disasters. Hidden on page 1692 of his great-grandfather's memoir, Joe Dunthorne finds a confession. Drs Chris and Xand Van Tulleken ...

Approximately 100 rowdy demonstrators gathered in Foley Square Saturday to protest the arrest of Newark Mayor Ras Baraka at an ICE facility this week.