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  2. Orders of magnitude (energy) - Wikipedia

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

    List of orders of magnitude for energy; Factor (joules) SI prefix Value Item 10 −34: 6.626 × 10 −34 J: Energy of a photon with a frequency of 1 hertz. [1]8 × 10 −34 J: Average kinetic energy of translational motion of a molecule at the lowest temperature reached (38 picokelvin [2] as of 2021)

  3. Joule - Wikipedia

    en.wikipedia.org/wiki/Joule

    The joule (/ dʒ uː l / JOOL, or / dʒ aʊ l / JOWL; symbol: J) is the unit of energy in the International System of Units (SI). [1] In terms of SI base units, one joule corresponds to one kilogram-square metre per square second (1 J = 1 kg⋅m 2 ⋅s −2).

  4. Orders of magnitude (power) - Wikipedia

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

    tech: electric power output of 1 m 2 solar panel in full sunlight (approx. 12% efficiency), at sea level 1.3 × 10 2: tech: peak power consumption of a Pentium 4 CPU 2 × 10 2: tech: stationary bicycle average power output [17] [18] 2.76 × 10 2: astro: fusion power output of 1 cubic meter of volume of the Sun's core. [19] 2.9 × 10 2: units ...

  5. Joint European Torus - Wikipedia

    en.wikipedia.org/wiki/Joint_European_Torus

    On 21 December 2021, JET produced 59 megajoules using deuterium-tritium fuel while sustaining fusion during a five-second pulse, beating its previous record of 21.7 megajoules with Q = 0.33, set in 1997. [28] [40] In October 2023, JET set its final fusion energy record, producing 69.29 megajoules over 6 seconds from only 0.21 mg of D-T fuel.

  6. Scientists just set a nuclear fusion record in a step toward ...

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  7. TNT equivalent - Wikipedia

    en.wikipedia.org/wiki/TNT_equivalent

    The "kiloton (of TNT equivalent)" is a unit of energy equal to 4.184 terajoules (4.184 × 10 12 J). [2] A kiloton of TNT can be visualized as a cube of TNT 8.46 metres (27.8 ft) on a side. The " megaton (of TNT equivalent)" is a unit of energy equal to 4.184 petajoules ( 4.184 × 10 15 J ).

  8. 125 mm smoothbore ammunition - Wikipedia

    en.wikipedia.org/wiki/125_mm_smoothbore_ammunition

    Projectile dimension: 435 mm 12: 1 L/d; Projectile weight (including sabot): 5.9 kg; Projectile weight: 3.9 kg including 2.9 kg and 0.27 kg tungsten carbide plug; Muzzle velocity: 1785 m/s; Muzzle energy: 6.2 MJ; Penetration: 400 mm at 0° at 2000 m, 150 mm at 60° at 2000 m

  9. Aluminium–air battery - Wikipedia

    en.wikipedia.org/wiki/Aluminium–air_battery

    Aluminium is still very cheap compared to other elements used to build batteries. Aluminium costs $2.51 per kilogram while lithium and nickel cost $12.59 and $17.12 per kilogram respectively. However, one other element typically used in aluminium air as a catalyst in the cathode is silver, which costs about $922 per kilogram (2024 prices). [15]

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