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Category: Definition of the Day

DEFINITION: Superconductivity

By Wonder Science
30
Dec

Superconductivity is the property of zero electrical resistance and no measurable magnetic field in some substances at very low absolute temperatures.

DEFINITION: Electrochemistry

By Wonder Science
03
Sep

DEFINITION: Metachronal Rhythm

By Wonder Science
03
Sep

DEFINITION: Astronomical Unit (AU)

By Wonder Science
03
Sep

DEFINITION: Protein

By Wonder Science
07
Jun

DEFINITION: Catalyst

By Wonder Science
03
Feb

DEFINITION: Advection

By Wonder Science
09
Jan

DEFINITION: Aeronautics

By Wonder Science
14
Aug

DEFINITION: Surface Tension

By Wonder Science
02
May

DEFINITION: Troglobite

By Wonder Science
24
Apr

Troglobites are small creatures that have adapted to life in a cave. To survive in the darkness, troglobites have evolved exceptional senses of smell, hearing and touch, but often lack sight and skin pigmentation.   Photo credit: Ryan Hagerty, USFWS

DEFINITION: Strength

By Wonder Science
05
Apr

A measure of the ability of material to resist a force that tends to pull it apart. It is expressed as the minimum tensile stress (force per unit area) needed to split the material apart.

DEFINITION: Infrared

By Wonder Science
31
Mar

(Of electromagnetic radiation) having a wavelength just greater than that of the red end of the visible light spectrum. Infrared radiation has a wavelength from about 800 nm to 1 mm, and is emitted particularly by heated objects.

DEFINITION: Gravitational waves

By Wonder Science
12
Mar

Ripples in space-time caused by massive objects moving with extreme accelerations. Learn more!

Categories

  • 5 FACTS:
    7 articles
  • Definition of the Day
    13 articles
  • Latest
    11 articles
  • Photo Spotlight
    25 articles

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All rights reserved.