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How The World’s Oldest Hat Shop Has Stayed In Business For Nearly 350 Years | Still Standing
Lock & Co. Hatters in London has been designing and selling high quality hats since 1676. It has served celebrities and royalty throughout history, withstood a bombing in WWII, and now survived the Covid-19 pandemic which was the first time in history it had to close its doors.
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How One Man In Egypt Is Keeping This 200-Year-Old Tile Tradition Alive | (…)
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Nathan Myhrvold: Could this laser zap malaria?
Http://www.ted.com Nathan Myhrvold and team's latest inventions -- as brilliant as they are bold -- remind us that the world needs wild creativity to tackle big problems like malaria. And just as that idea sinks in, he rolls out a live demo of a new, mosquito-zapping gizmo you have to see to believe.
TEDTalks is a daily video podcast of the best talks and performances from the T(…)
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Jak działa Bluetooth. Cykl Nauka to Magia która działa.
Wiele Twoich urządzeń wykorzystuje Bluetooth do komunikacji bezprzewodowej. Ale jak działa Bluetooth? W tym filmie, będziemy nurkować w szczegóły, jak twój smartfon wysyła dźwięk do bezprzewodowych słuchawek. Bluetooth jest dość skomplikowany i dlatego zamierzamy użyć wielu analogii i narzędzi, aby wyjaśnić go w pełni.
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DIY Hydrogen/Oxygen Generators From Grocery Store Items
In this video we look at several electrolysis designs and their function. Most DC power supplies will work adequately well for electrolysis, the most common of which is a 12v battery charger or a car battery itself. For more control it is best to use an adjustable power supply.
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1940s BELL TELEPHONE "MOBILE TELEPHONES" MOVIE EARLY CELL PHONE / MOBILE TELEPHONE...
Created in the late 1940s, this film from Bell explains the operation of the Mobile Telephone Service (MTS) by showing how it can be used to make business more efficient. The film also shows some of the cutting edge equipment used in the system and shows how it was installed in vehicles (7:30).
MTS was a pre-cellular VHF radio system that linked to the Public Switched Telephone (…)
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2 lata temu