Radio

Inquiry Unit

Radio

The invention of wireless telegraphy-radio-at the end of the 19th century by Marconi and others made it possible to communicate with anyone, anywhere, around the globe. It soon became apparent, howeve…

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Electric Waves by Dr. Heinrich Hertz, 1857-1894

Primary Source

Electric Waves by Dr. Heinrich Hertz, 1857-1894

Radio Inquiry Unit

Radio Inquiry Unit Electric Waves, Being Researches on the Propagation of Electric Action with Finite Velocity Through Space, by Dr. Heinrich Hertz, 1857-1894. The English translation of Hertz…

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Pakistan Spectrum Allocation Chart

Primary Source

Pakistan Spectrum Allocation Chart

Radio Inquiry Unit

Radio Inquiry Unit – Featured Source 1E This chart represents a graphic single-point-in-time portrayal of the Table of Frequency Allocations used in Pakistan. The Pakistan Table of Frequency Allo…

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United States Spectrum Allocation Chart

Primary Source

United States Spectrum Allocation Chart

Radio Inquiry Unit – Featured Source 1E

Radio Inquiry Unit – Featured Source 1E 2016 chart represents a graphic single-point-in-time portrayal of the Table of Frequency Allocations used by the United States, Federal Communications Comm…

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Lines and Waves

Primary Source

Lines and Waves

Radio Inquiry Unit

Radio Inquiry Unit - Supporting Question 1B. An Exhibit by the IEEE History Center (1981) Written by Robert D. Friedel “It was 150 years ago that the English scientist Michael Faraday discovered …

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“Lost At Sea”

Multimedia

“Lost At Sea”

Early Maritime Navigation Inquiry Unit

Teenagers venture out for a day of fishing and experience first hand the value of maritime navigational technology. Click here to download this video from the REACH Vimeo page.  …

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Longitude

Multimedia

Longitude

Early Maritime Navigation Inquiry Unit

Solving the Longitude problem was necessary to navigating the worlds oceans and opening the door to global trade. Click here to download this video from the REACH Vimeo page.…

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Power of the Sea

Multimedia

Power of the Sea

Early Maritime Navigation Inquiry Unit

The video explains the important relationship of maritime navigational technologies in regards to global trade from the past through to today. Click here to download this video from the REACH Vimeo…

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Latitude

Multimedia

Latitude

Early Maritime Navigation Inquiry Unit

The video highlights early maritime navigational tools used to determine latitude. Click here to download this video from the REACH Vimeo page.…

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