When we were children (c.1948) my father brought home reels of aluminium tape. We used it as Christmas decorations. He told us that the tape was dropped by a plane prior to a raid over the channel. German radar would then think they had a full scale raid coming over the channel. Once the jerries had launched all their fighters to attack and then returned empty, our planes would fly in to catch them as they refuelled. Another trick was to chaff over the channel at height while our planes flew around at low level so again jerry fooled. It was dropped over the channel so that it fell into the sea so jerry couldn't find out how we fooled them, until some drifted onto the French coast.
The tape was stiffer than baking foil and about 1/2" wide. You had to be careful you didn't cut your hands on the edges.
Two practical applications of radio waves in modern technology are wireless communication, such as cell phones and Wi-Fi, and radar systems used in aviation and weather forecasting.
Not any more, but it was. Back in the day, there was a special fuel engineered called JP-7 that was developed to have the high flash point necessary for safe use in a special aircraft. That aircraft was the A-12, which is best know as the SR-71 Blackbird. The JP-7 contained an additive called A-50 which included a quantity of this radioactive element, even though there were some hazards associated with the additive. The A-50 was added to reduce the radar signature of the A-12. The ionized trail the aircraft left, caused by the presence of the caesium, increased the scattering of the electromagnetic energy of a radar pulse. This reduced the return signal, and pared down the "echo" of the craft making it harder to detect. The Blackbirds have been taken out of service, and it's probably a good bet that the A-50 didn't see a lot of use as an additive later in the SR-71's mission schedule. It (the A-50) would arguably have been left out later on because of the hazards of the caesium coupled with some other factors as regards risk management and the shift to space-borne intelligence gathering platforms. A link can be found below.
While there may be multiple ways of putting together a smart bomb, most of that information is unknown by anyone who does not develop them for military use. A smart bomb is primarily used by the military.
The psychedelic drug psilocybin, the active principal of magic mushrooms, was once thought to have promising medical applications. When psilocybin was banned, medical research on the drug ceased. But now, 40 years later, psilocybin is back on the research radar where it is helping to shed light on human consciousness and a range of disease processes, as Philip Strange finds out...
Analysis of circular polarization (CP) utilizes two independent, orthogonal, components: right- and left-hand circular (RHC and LHC). The desirable component, having the intended sence of rotation (right, or left), is called the copolarization component. The undesirable component, with the opposite polarization, is called the crosspolarization component. The mix of copolarization and crosspolarization components determine the quality of CP and correlates with the axial ratio.
Chaff. It's called chaff.
"Radar detection system: madam rotor" is a palindrome for detection system using radar waves.
Radar.
radar radar
radar
Radio Detection And Ranging
Radio Detection And Ranging
RAdio Detection And Ranging
Radio Detection And Ranging
radio detection and ranging
The Difference is that Radar Satellites are just a more advanced version of Radar.
No but some phones will interfear with the radar detection.