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  2. Triboelectric effect - Wikipedia

    en.wikipedia.org/wiki/Triboelectric_effect

    e. The triboelectric effect (also known as triboelectricity, triboelectric charging, triboelectrification, or tribocharging) describes electric charge transfer between two objects when they contact or slide against each other. It can occur with different materials, such as the sole of a shoe on a carpet, or between two pieces of the same material.

  3. 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 ): It is the time required to charge the capacitor, through the resistor, from an initial charge ...

  4. Time-resolved spectroscopy - Wikipedia

    en.wikipedia.org/wiki/Time-resolved_spectroscopy

    Time-resolved spectroscopy. In physics and physical chemistry, time-resolved spectroscopy is the study of dynamic processes in materials or chemical compounds by means of spectroscopic techniques. Most often, processes are studied after the illumination of a material occurs, but in principle, the technique can be applied to any process that ...

  5. Here are 5 common traits of Americans who can never ... - AOL

    www.aol.com/finance/5-common-traits-americans...

    An Axios/Ipsos poll found that 1 in 5 Americans don’t think they’ll ever retire — and a whopping 70% of that cohort say it’s because they simply can’t (or won’t be able to) afford it ...

  6. Flash memory - Wikipedia

    en.wikipedia.org/wiki/Flash_memory

    The degradation increases the amount of negative charge in the cell over time due to trapped electrons in the oxide and negates some of the control gate voltage, this over time also makes erasing the cell slower, so to maintain the performance and reliability of the NAND chip, the cell must be retired from use.

  7. Radioisotope thermoelectric generator - Wikipedia

    en.wikipedia.org/wiki/Radioisotope...

    Diagram of an RTG used on the Cassini probe. A radioisotope thermoelectric generator ( RTG, RITEG ), sometimes referred to as a radioisotope power system (RPS), is a type of nuclear battery that uses an array of thermocouples to convert the heat released by the decay of a suitable radioactive material into electricity by the Seebeck effect.

  8. These are the best Prime Day deals on wrinkle creams that ...

    www.aol.com/lifestyle/these-are-the-best-early...

    There's a reason I named this Peter Thomas Roth formula the best retinol serum of the year: At 1.5% retinal concentration, it's just potent enough to really work on reducing wrinkles and fine ...

  9. Electrostatic induction - Wikipedia

    en.wikipedia.org/wiki/Electrostatic_induction

    Scientists. v. t. e. Electrostatic induction, also known as "electrostatic influence" or simply "influence" in Europe and Latin America, is a redistribution of electric charge in an object that is caused by the influence of nearby charges. [ 1] In the presence of a charged body, an insulated conductor develops a positive charge on one end and a ...