Sounding devices

Other poems are written in free verse (or open form), with no set line length or regular rhyme pattern these poems may rely on imagery, line lengths, repetition, or sound devices to maintain unity and show progression of ideas. 

Sound devices may help unify a poem, establish tone, emphasize a description, and communicate theme. There are many kinds of rhyme (end, internal, slant, etc.), which often help unify or link ideas and parts of poems. For example, stanzas often have set patterns of end rhyme that pull a unit together a quatrain (four line stanza), for example, might rhyme abab, as shown here ... 

Four other common sound devices include ... 

Sound devices not only unify poems but also add to their communication of images and meaning. Harsh-sounding, monosyllabic words ( the cold stone tomb ) may slow a line and create a very different tone in a poem than multisyllabic words with soft, flowing sounds. Poets pick their words carefully for their sounds as well as their connotations and denotations. Ask yourself what sound devices appear in the poem I m reading, and why ... 

In the poem "When I Heard the Learn d Astronomer," nineteenth-century American poet Walt Whitman contrasts two ways people may study the world around them. They can approach the world through lectures and facts, and they can experience nature firsthand through their own senses. Through the use of contrasting structures, imagery, diction, and sound devices in this poem. Whitman expresses a strong preference for personal experience. 

Radioactive elements can be detected by a Geiger counter. This portable instrument maintains an electric circuit between its battery and a handheld, gas-filled cylinder. There is normally a gap in the circuit. If radiation is present, ions are formed in the gas. The charged particles complete the circuit, which activates a sounding device and a meter. 

When immersed in water, the explosives in water-activated contrivances are initiated by electric current as water (acting as an electrolyte) immerses the electrodes of specially designed batteries by chemical reaction with water and by pressure sensors triggered at certain depths. These contrivances include ammunition, signal flares and other pyrotechnics, sounding devices (which are dropped by ships to determine depth), and actuating cartridges for gas cylinders that automatically inflate life rafts and jackets. 

Sounding Devices, Explosive Articles consisting of a charge of detonating explosive. They are dropped from ships and function when they reach a predetermined depth or the sea-bed. UN App. B, ICAO A2, US 173.59, lATA App. A... 

Sonar Sound navigation ranging a method of recording the echo, or return of sound waves emitted by a sound device located in a submarine or similar vehicle. 

Start tapping the roof lightly at first with your sounding device, increasing your stroke to better hear the sound of the r[Pg.201]

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