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Crystal radio

en.wikipedia.org/wiki/Crystal_radio

A crystal radio receiver, also called a crystal set or cat's whisker receiver, is a very simple radio ... Thus, crystal sets produce rather weak sound and must be listened to with sensitive earp...

Why do foxes' ears point forward?

www.whyzz.com/why-do-foxes-ears-point-forward

As foxes move forward to approach an animal, their ears naturally point in the direction they walk, so they can hear the softest of sounds coming from their next  ...

Why Do the Ears of a Fox Point Forward? | eHow UK

www.ehow.co.uk/about_5497731_do-ears-fox-point-forward.html

Most members of the canine and feline families have ears that point forward. ... Unlike most mammals, they can detect the low-frequency sounds of small ... Grazing animals, including rabbits, are vulnerable to predators, like the fox, that sneak ...

Directional preference may enhance hunting accuracy in foraging ...

rsbl.royalsocietypublishing.org/content/early/2011/01/06/rsbl.2010.1145

Jan 6, 2011 ... Prior to an attack, foxes move forward very slowly and deliberately, with ... Each triangle in (a) represents four observations (i.e. separate data points) ((b) three observations; ... Within the home range of a non-migratory species like the red fox , ... sound intensity and time differences between its two ears [12].

"Is There Anybody Out There?" · The Last Man On Earth · TV Review ...

www.avclub.com/tvclub/phil-and-carol-search-new-home-warmer-last-man-ear-225958

Sep 27, 2015 ... And though the premiere naturally had to do some table setting for the rest ... He'll be sent to a point too soon after the Big Bang, and he will was be ... sarcasm detector • 8 months ago ... OMG, all of those sound like shows they would actually do.... ugh ... I thought I read that Fox wouldn't allow the corps...

Radiation detectors Facts, information, pictures | Encyclopedia.com ...

www.encyclopedia.com/topic/Radiation_detectors.aspx

Particle detectors, also called radiation detectors, are instruments designed for the ... event is an electrical pulse that can be amplified to activate ear phones or a loud ... as the gas in a proportional counter, which is much like a Geiger counter. ... are lower so that the discharge does not spread disruptively along the entire ...

Scientists find evidence of gravitational waves predicted ... - Fox News

www.foxnews.com/science/2016/02/11/scientists-find-evidence-gravitational-waves-predicted-by-einstein.html

Feb 11, 2016 ... Our understanding of the universe takes a giant leap forward. ... It's almost as if we have grown a new set of ears, and there could be so much to ... LIGO has two detectors: one in Livingston and the other in Hanaford, .... Point to ponder: ..... I just like to see money spent where it will do some immediate good.

Building a crystal radio out of household items - Science Toys

scitoys.com/scitoys/scitoys/radio/homemade_radio.html

But another type of earphone is available that fits in the ear so you don't have to hold it. ... A sensitive earphone does not use very much current to create the sound. ... Later we will replace it with detectors we build ourselves out of things we find ... Radio waves can cause electrons to move back and forth in a wire, just lik...

Fox News Morons So Scared Of Taking A Dump At Target | Wonkette

wonkette.com/601049/fox-news-morons-so-scared-of-taking-a-dump-at-target

Apr 25, 2016 ... The show brought on Fox News resident pervy misogynist “Doctor” Keith Ablow, ... Yep, let's skip forward. .... It's coming out of their ears. .... Not once have I ever had to stick my wiener in a gender detector (I'm picturing a ..... that try and make wearing adult diapers sound like something hip young peo...

Up next, recap & links - CBS News

www.cbsnews.com/sunday-morning/show-notes/

HEADLINES: No metal detectors at Christina Grimmie concert (Video) ... A hip- hop musical about Alexander Hamilton may sound like a tough sell at the box .... You've probably heard the old joke: "How do you get to Carnegie Hall? .... We leave you this Sunday morning at the Sachuest Point National Wildlife Refuge in  ...

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Why do the ears of a fox point forward as sound detectors - Answers

www.answers.com

Foxes move their ears forward when they can hear a faint sound they try and hear the ... Why do the ears of a fox point forward as sound detectors? .... unlike with dogs that end as suddenly as it started, resulting in what sounds like a "Bark!

Foxes use the Earth's magnetic field as a targeting system ...

phenomena.nationalgeographic.com

Jan 11, 2011 ... As the fox creeps forward, it listens for the sound of a mouse. ... last month which explores how birds – the best-studied magnetic detectorsdo it. ... of birds – it's not entirely clear what the point of having a magnetic sense is. ... Other senses are linked to openings in the body like eyes, ears and mouths, b...

More on Bat Detectors... - Bat Conservation and Management

www.batmanagement.com

However, the characteristics that make them sound different to our ears are ... And SonoBat makes it easy to do this with an intuitive point and click .... Tick-like sounds at 40 kHz suggest a Myotis, a common genus that includes one ..... Bats that prey on airborne insects in open areas face a relatively straight-forward problem.