As electronics became a bigger and bigger part of our infrastructure through phones, radios, etc, there was an increased focus on testing them to make sure they didn’t create issues. In the early 1900s, books like [“Testing Electrical Apparatus”](https://babel.hathitrust.org/cgi/pt?id=...
But they have made with other spacecraft TVs, radios and cars。 我们听见ourspacecraft在火星登陆了,并且我们发现人们在Mars.They有没有sant我们消息。由于他们不能听见我们。他们在火星更喜欢生活,因此他们未拜访我们在地球上。但他们用其他航天器电视、收音机和汽车做了。[translate]...
Unfortunately, this great experiment in electronic mass media for Sioux Falls didn't quite catch on. The technology was new, there weren't enough radios in people's homes yet, and local businesses were not quite sure about the advertising potential.WFAT operated until 1926 when it was donated ...
Unfortunately, this great experiment in electronic mass media for Sioux Falls didn't quite catch on. The technology was new, there weren't enough radios in people's homes yet, and local businesses were not quite sure about the advertising potential.WFAT operated until 1926 when it was donated ...
radios, whistles, batteries, rechargeable batteries,first aidboxes,first aidboxrefills, distilled water/mineral water, tea [...] legco.gov.hk legco.gov.hk V. 一般物品及設備 例如擴音器、對講機、哨子、電池、充電池、急救箱、急救箱補充品、蒸餾水/礦泉水、茶包、意見箱、信箱、許可證框架、黑板/ ...
10 abandoned subway stations|10 anti-masturbation devices|10 antique phonographs|10 best power strip designs|10 classic jacob jensen gadgets|10 classic reel-to-reel recorders|10 console light guns|10 dry land submarines|10 enormous floating cranes|10 failed automobile manufacturers|10 flea circus cont...
Automotive History Mazda MX-5 Miata History, from 1989 to Today The Winningest Cars in 10Best History Chevy Corvette: A Brief History in Zero-to-60-MPH A Brief History of Cadillac's High Performance V Car and Driver's 10Best Cars through the Decades ...
aPopular music in America is what every student likes. Students carry small radios with earphones and listen to music before class and at lunch. Students with cars buy large speakers and play the music loudly as they drive on the street. [translate] aFrom the window to the wall [translate...
He organized police records and a modus operandi system, initiated intelligence tests for recruiting, and introduced bicycles, then cars, and then cars with radios, to patrol. Working with faculty from the University of California, he oversaw development of the lie detector, established a crime ...
For most of their history, “mobile” phones were two-way radios you installed on something that moved. In the 1920s, German railroad operatorsbegan testingwireless telephones in their train cars, starting with military trains on limited lines before spreading to public trains a few years later....