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2. Cathode-ray tube - Wikipedia

   en.wikipedia.org/wiki/Cathode-ray_tube

   The earliest version of the CRT was known as the "Braun tube", invented by the German physicist Ferdinand Braun in 1897. [13] It was a cold-cathode diode, a modification of the Crookes tube with a phosphor-coated screen. Braun was the first to conceive the use of a CRT as a display device. [14] The Braun tube became the foundation of 20th ...

3. Braun (company) - Wikipedia

   en.wikipedia.org/wiki/Braun_(company)

   Contemporary Braun design of the period incorporated this new approach in bright colours and a lightness of touch while still clean-lined in keeping with functionalist philosophy. For nearly 30 years Dieter Rams served as head of design for Braun A.G. until his retirement in 1995, when Peter Schneider succeeded him.

4. Sonicare - Wikipedia

   en.wikipedia.org/wiki/Sonicare

   This model has 2 cleaning modes The brush head vibrates at hundreds of times per second, with the latest models at 31,000 strokes per minute (517 Hz) or 62,000 movements per minute [ 1 ] (1033 Hz). Rather than connecting to its charger with conductors, it uses inductive charging —the charger includes the primary winding of the voltage ...

5. The best toothbrushes for healthy gums and teeth, tested and ...

   www.aol.com/lifestyle/best-electric-toothbrush...

   To choose the best electric toothbrushes, manual toothbrushes, travel toothbrushes and kid-friendly options, we tested more than 15 brushes from brands like Colgate, Philips Sonicare, GUM, Oral-B ...

6. Owner's manual - Wikipedia

   en.wikipedia.org/wiki/Owner's_manual

   2007 Toyota Yaris hatchback owner's manual 1919 Ford Motor Company car and truck operating manual. An owner's manual (also called an instruction manual or a user guide) is an instructional book or booklet that is supplied with almost all technologically advanced consumer products such as vehicles, home appliances and computer peripherals.

7. Oral-B - Wikipedia

   en.wikipedia.org/wiki/Oral-B

   2012: Oral-B Trizone 1000 electric toothbrush with brush head shape and brushing technique similar to a manual brush. 2014: the first toothbrush with Bluetooth 4.0 Oral-B SmartSeries technology. 2017: New version of the battery, holds a charge 2 times longer and charges 2 times faster. 2019: Genius X toothbrush with artificial intelligence.

8. How Trump's years of feuding with FBI Director Christopher ...

   www.aol.com/news/trumps-years-feuding-fbi...

   The FBI director and former top Justice Department official has been taking criticism from Trump since Trump appointed him in 2017

9. Wernher von Braun - Wikipedia

   en.wikipedia.org/wiki/Wernher_von_Braun

   Wernher von Braun was born on 23 March 1912, in the small town of Wirsitz in the Province of Posen, Kingdom of Prussia, then German Empire and now Poland. [14]His father, Magnus Freiherr von Braun (1878–1972), was a civil servant and conservative politician; he served as Minister of Agriculture in the federal government during the Weimar Republic.