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  2. Speed of electricity - Wikipedia

    en.wikipedia.org/wiki/Speed_of_electricity

    The word electricity refers generally to the movement of electrons, or other charge carriers, through a conductor in the presence of a potential difference or an electric field. The speed of this flow has multiple meanings. In everyday electrical and electronic devices, the signals travel as electromagnetic waves typically at 50%–99% of the ...

  3. List of Alfred Hitchcock Presents episodes - Wikipedia

    en.wikipedia.org/wiki/List_of_Alfred_Hitchcock...

    Carl Spann (Meeker) wakes up early for his first day at a new job and makes his wife Elsa (Miles) breakfast. Carl briefly speaks with neighbor Mrs. Fergusen (Bavier) before driving to work, and Mrs. Fergusen offers to take Elsa to market, as Elsa has nothing to do in their new location by the sea, having been given advice by doctors to take a break after having a nervous breakdown.

  4. Orders of magnitude (charge) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(charge)

    The elementary charge e, i.e. the negative charge on a single electron or the positive charge on a single proton: 10 −18: atto-(aC) ~ 1.8755 × 10 −18 C: Planck charge: 10 −17: 1.473 × 10 −17 C (92 e) – Positive charge on a uranium nucleus (derived: 92 x 1.602 × 10 −19 C) 10 −16: 1.344 × 10 −16 C: Charge on a dust particle in ...

  5. Get help with your AOL billing questions - AOL Help

    help.aol.com/articles/account-management...

    The $1 charge won’t actually be deducted from the account. The bank for the credit card should remove the charge within a day or two. If you used a credit card for age verification and noticed the charge hasn’t been removed after a few days, please contact your bank or credit card company.

  6. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  7. How does heat kill? It confuses your brain. It shuts down ...

    www.aol.com/lifestyle/does-heat-kill-confuses...

    Dehydration also reduces blood flow and magnifies cardiac problems, Jay said. Attacking the brain. Heat also affects the brain. It can cause a person to have confusion, or trouble thinking ...

  8. RC time constant - Wikipedia

    en.wikipedia.org/wiki/RC_time_constant

    RC time constant. The RC time constant, denoted τ (lowercase tau ), the time constant (in seconds) of a resistor–capacitor circuit (RC circuit), is equal to the product of the circuit resistance (in ohms) and the circuit capacitance (in farads ), i.e.: It is the time required to charge the capacitor, through the resistor, from an initial ...

  9. Air changes per hour - Wikipedia

    en.wikipedia.org/wiki/Air_changes_per_hour

    Air changes per hour, abbreviated ACPH or ACH, or air change rate is the number of times that the total air volume in a room or space is completely removed and replaced in an hour. If the air in the space is either uniform or perfectly mixed, air changes per hour is a measure of how many times the air within a defined space is replaced each ...