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2. Clock - Wikipedia

   en.wikipedia.org/wiki/Clock

   Most such quartz clock crystals vibrate at a frequency of 32 768 Hz. The piezoelectric properties of crystalline quartz were discovered by Jacques and Pierre Curie in 1880. [65] [66] The first crystal oscillator was invented in 1917 by Alexander M. Nicholson, after which the first quartz crystal oscillator was built by Walter G. Cady in 1921. [2]

3. Tesla Model S - Wikipedia

   en.wikipedia.org/wiki/Tesla_Model_S

   In March 2017, Tesla discontinued the 60 kWh model to distinguish its premium cars from the more cost-effective options, making the 75 kWh model the new entry-level offering. [137] [138] In late 2016, Tesla introduced the P100D as a replacement for the P90D. [139]

4. List of tallest buildings - Wikipedia

   en.wikipedia.org/wiki/List_of_tallest_buildings

   List of tallest buildings. For other tall constructions, see List of tallest structures and List of tallest buildings and structures. The 828-metre (2,717 ft) tall Burj Khalifa in Dubai has been the tallest building since 2010. [ 1] The Burj Khalifa has been classified as megatall. [ 2] This is a list of the tallest buildings.

5. Google investigation confirms Iranian hackers are moving to ...

   www.aol.com/news/google-investigation-confirms...

   Iran is targeting the presidential campaigns of former President Trump and Vice President Kamala Harris, according to a Thursday report from Google.

6. When do Hummingbirds leave? As migration starts, how to spot ...

   www.aol.com/hummingbirds-leave-migrations-starts...

   Hummingbird migration season gets underway in August, sending the birds flying to warm destinations thousands of miles away to last out the cold winter months and bringing bird-watchers new ...

7. The window seat passenger controls the window shade. End of ...

   www.aol.com/news/window-seat-passenger-controls...

   Similarly, he said, using the seat in front of you for full-body leverage to get up to use the bathroom isn’t particularly courteous, either. “Just be aware of how you’re taking up space ...