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As magnets affect water to a small degree, and water containing ions is more conductive than purer water, magnetic water treatment is an example of a valid scientific hypothesis that failed experimental testing and is thus disproven. Any products claiming to utilize magnetic water treatment are absolutely fraudulent. [1]
Electronic pest control is the name given to any of several types of electrically powered devices designed to repel or eliminate pests, usually rodents or insects. Since these devices are not regulated under the Federal Insecticide, Fungicide, and Rodenticide Act in the United States, the EPA does not require the same kind of efficacy testing that it does for chemical pesticides.
Underwater acoustic communication is a technique of sending and receiving messages in water. [1] There are several ways of employing such communication but the most common is by using hydrophones . Underwater communication is difficult due to factors such as multi-path propagation , time variations of the channel, small available bandwidth and ...
Output of a computer model of underwater acoustic propagation in a simplified ocean environment. A seafloor map produced by multibeam sonar. Underwater acoustics (also known as hydroacoustics) is the study of the propagation of sound in water and the interaction of the mechanical waves that constitute sound with the water, its contents and its boundaries.
A new scam using Elon Musk's name is making the rounds, promoting "energy-saving" devices and falsely linking the Tesla and SpaceX leader to the products.
Some scam artists can disguise their phone number to make it look as though the real utility company is calling. Some scammers "use the legitimate company’s hold music and typical automated introduction to deceive customers who call them back." [3] Some scammers can mimic what a legitimate utility company employee may sound like. [4]
As sound travels faster and over a larger distance in water than in air, aquatic animals can use sound signals for long-distance communication while terrestrial animals cannot. [4] For example, a blue whale can communicate with another blue whale using sound over thousands of miles across the sea.
On a recent episode of the NPR podcast 'How I Built This,' host Guy Raz asked Mark Cuban why he could be so, well, mean on 'Shark Tank.' Mark Cuban has harsh words for 'Shark Tank' scammers Skip ...