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  2. Sunflower (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Sunflower_(mathematics)

    The sunflower lemma has numerous applications in theoretical computer science. For example, in 1986, Razborov used the sunflower lemma to prove that the Clique language required ⁡ (superpolynomial) size monotone circuits, a breakthrough result in circuit complexity theory at the time.

  3. Orders of magnitude (length) - Wikipedia

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

    The nanometre (SI symbol: nm) is a unit of length in the metric system equal to 10 −9 metres (⁠ 1 / 1 000 000 000 ⁠ m = 0. 000 000 001 m). To help compare different orders of magnitude , this section lists lengths between 10 −9 and 10 −8 m (1 nm and 10 nm).

  4. Sunflower seed - Wikipedia

    en.wikipedia.org/wiki/Sunflower_seed

    The crops may be referred to as oilseed sunflower crops. These seeds are usually pressed to extract their oil. Striped sunflower seeds are primarily eaten as a snack food; as a result, they may be called confectionery sunflower seeds. The term "sunflower seed" is a misnomer when applied to the seed in its pericarp (hull).

  5. Gardening for You: Self-harvesting sunflower seeds - AOL

    www.aol.com/gardening-self-harvesting-sunflower...

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  6. Mass flow rate - Wikipedia

    en.wikipedia.org/wiki/Mass_flow_rate

    Mass flow rate is defined by the limit [3] [4] ˙ = =, i.e., the flow of mass through a surface per time .. The overdot on ˙ is Newton's notation for a time derivative.Since mass is a scalar quantity, the mass flow rate (the time derivative of mass) is also a scalar quantity.

  7. Common sunflower - Wikipedia

    en.wikipedia.org/wiki/Common_sunflower

    Sunflower seeds were brought to Europe from the Americas in the 16th century, where, along with sunflower oil, they became a widespread cooking ingredient. With time, the bulk of industrial-scale production has shifted to Eastern Europe, and (as of 2020 [update] ) Russia and Ukraine together produce over half of worldwide seed production.

  8. Orders of magnitude (time) - Wikipedia

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

    The smallest meaningful increment of time is the Planck time―the time light takes to traverse the Planck distance, many decimal orders of magnitude smaller than a second. [ 1 ] The largest realized amount of time, based on known scientific data, is the age of the universe , about 13.8 billion years—the time since the Big Bang as measured in ...

  9. Speed - Wikipedia

    en.wikipedia.org/wiki/Speed

    The average speed over a finite time interval is the total distance travelled divided by the time duration. Average speed As an example, a bowling ball's speed when first released will be above its average speed, and after decelerating because of friction, its speed when reaching the pins will be below its average speed.