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  2. Equivalence of direct radiation - Wikipedia

    en.wikipedia.org/wiki/Equivalence_of_direct...

    Measured in square feet, the reference standard for EDR is the mattress radiator [1] invented by Stephen J. Gold in the mid 19th century. One square foot of EDR is able to liberate 240 BTU per hour when surrounded by 70 °F (21 °C) air and filled with steam of approximately 215 °F (102 °C) temperature and 1 psi of pressure.

  3. Thermal velocity - Wikipedia

    en.wikipedia.org/wiki/Thermal_velocity

    Thus, indirectly, thermal velocity is a measure of temperature. Technically speaking, it is a measure of the width of the peak in the Maxwell–Boltzmann particle velocity distribution . Note that in the strictest sense thermal velocity is not a velocity , since velocity usually describes a vector rather than simply a scalar speed .

  4. 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!

  5. Geothermal gradient - Wikipedia

    en.wikipedia.org/wiki/Geothermal_gradient

    Earth cutaway from core to exosphere Geothermal drill machine in Wisconsin, USA. Temperature within Earth increases with depth. Highly viscous or partially molten rock at temperatures between 650 and 1,200 °C (1,200 and 2,200 °F) are found at the margins of tectonic plates, increasing the geothermal gradient in the vicinity, but only the outer core is postulated to exist in a molten or fluid ...

  6. The Best Way To Reheat Steak - AOL

    www.aol.com/best-way-reheat-steak-170756654.html

    Edwards says to ensure the best quality, let the leftover steak sit out at room temperature for about 30 minutes. When ready, heat a frying pan over medium heat and drizzle with a neutral oil ...

  7. How much should you have in your 401(k)? Here's how your ...

    www.aol.com/finance/average-401k-balance-by-age...

    Remember that guidelines are not set in stone — rather, they're good rules to follow. For instance, if you’re 30 years old and earn $75,000, you should try to have that much saved in your 401(k).

  8. Why Emperor Penguin Populations are Declining - AOL

    www.aol.com/why-emperor-penguin-populations...

    These birds stand anywhere from 3.5 to 4.3 feet and can weigh anywhere from 50-90 pounds. You can tell them apart from other penguins by their distinct black and white plumage.

  9. AOL Mail for Verizon Customers - AOL Help

    help.aol.com/products/aol-mail-verizon

    AOL Mail welcomes Verizon customers to our safe and delightful email experience!