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2. Betelgeuse - Wikipedia

   en.wikipedia.org/wiki/Betelgeuse

   A typical type II-P supernova emits 2 × 10 46 J of neutrinos and produces an explosion with a kinetic energy of 2 × 10 44 J. As seen from Earth, Betelgeuse as a type IIP supernova would have a peak apparent magnitude somewhere in the range −8 to −12. [ 180 ]

3. Tsar Bomba - Wikipedia

   en.wikipedia.org/wiki/Tsar_Bomba

   The Tsar Bomba was a three-stage bomb with a Trutnev-Babaev [30] second- and third-stage design, [31] with a yield of 50 Mt. [4] This is equivalent to about 1,570 times the combined energy of the bombs that destroyed Hiroshima and Nagasaki, [32] 10 times the combined energy of all the conventional explosives used in World War II, [33] one ...

4. Sodium hypochlorite - Wikipedia

   en.wikipedia.org/wiki/Sodium_hypochlorite

   Anhydrous sodium hypochlorite can be prepared but, like many hypochlorites, it is highly unstable and decomposes explosively on heating or friction. [5] The decomposition is accelerated by carbon dioxide at Earth's atmospheric levels - around 4 parts per ten thousand.

5. National Electrical Code - Wikipedia

   en.wikipedia.org/wiki/National_Electrical_Code

   The National Electrical Code, 2008 edition. The National Electrical Code (NEC), or NFPA 70, is a regionally adoptable standard for the safe installation of electrical wiring and equipment in the United States. It is part of the National Fire Code series published by the National Fire Protection Association (NFPA), a private trade association. [1]

6. Water - Wikipedia

   en.wikipedia.org/wiki/Water

   According to a report published by the Water Footprint organization in 2010, a single kilogram of beef requires 15 thousand litres (3.3 × 10 ^ 3 imp gal; 4.0 × 10 ^ 3 US gal) of water; however, the authors also make clear that this is a global average and circumstantial factors determine the amount of water used in beef production.

7. Hydrochloric acid - Wikipedia

   en.wikipedia.org/wiki/Hydrochloric_acid

   Hydrochloric acid, also known as muriatic acid or spirits of salt, is an aqueous solution of hydrogen chloride (HCl). It is a colorless solution with a distinctive pungent smell.