LibraryMeasures & ConstantsOne card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

ScienceOne small ahaUnit or constant

This SI pressure unit equals one newton per square metre.

Think it. Then flip it.
ahamoraTap to reveal
Back to the cue
ScienceOne small aha
Your new ahaThe Pascal

One pascal is one newton of force per square metre. Source: Pascal (unit)

ahamoraReference ↗

Keep the thread going

One answer is a beginning.

Share a little curiosity, or follow it into the full collection.

Flip the full deck →

More from Measures & Constants

A few more worth knowing.

  1. 10This temperature limit is 0 kelvin, exactly −273.15 °C.RECALL
    Absolute ZeroOpen this card ↗
  2. 11This number gives the particle count in one mole: approximately 6.022 × 10²³.RECALL
    Avogadro's Number

    Avogadro's number gives the particle count in one mole of substance, roughly 6.022 times ten to the twenty-third power.

    Open this card ↗
  3. 12This constant links a photon's energy to its frequency.RECALL
    Planck's Constant

    Planck's constant links a photon's energy to its frequency and underlies the foundations of quantum mechanics.

    Open this card ↗