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  2. Shotgun cartridge - Wikipedia

    en.wikipedia.org/wiki/Shotgun_cartridge

    One improvised method for achieving the same effect involves pouring molten wax or tar into the mass of shot. [18] Another is a partial ring cut around the case intended to ensure the shot comes out tightly bunched along with the portion of the case forward of the cut, creating a 'cut-shell'. [ 19 ]

  3. Welrod - Wikipedia

    en.wikipedia.org/wiki/Welrod

    The Welrod is a British bolt-action, magazine-fed pistol with an integrated silencer that was devised for covert operations during the Second World War by Major Hugh Reeves at the Inter-Services Research Bureau (later Station IX).

  4. Densities of the elements (data page) - Wikipedia

    en.wikipedia.org/wiki/Densities_of_the_elements...

    0.17308 g/cm 3 (from 23.1256 cm 3 /mole; at local min. density, from hcp melt at 0.699 K, 24.993 atm) 0.17443 g/cm 3 (from 22.947 cm 3 /mole; He-II at triple point hcp−bcc−He-II: 1.463 K, 26.036 atm) 0.1807 g/cm 3 (from 22.150 cm 3 /mole; He-I at triple point hcp−bcc−He-I: 1.772 K, 30.016 atm) 3 Li lithium; use: 0.512 g/cm 3: CR2 (at m ...

  5. Grade (climbing) - Wikipedia

    en.wikipedia.org/wiki/Grade_(climbing)

    Adam Ondra on the sport climbing route Silence, the hardest free climbing route in the world and the first-ever at 9c (French), 5.15d (American YDS), and XII+ (UIAA).. The two main free climbing grading systems (which include the two main free climbing disciplines of sport climbing and traditional climbing) are the "French numerical system" and the "American YDS system". [2]

  6. Naval mine - Wikipedia

    en.wikipedia.org/wiki/Naval_mine

    MK 62 Quick Strike deployed from a P-3 Orion. MK65 Quickstrike The Quickstrike [101] is a family of shallow-water aircraft-laid mines used by the United States, primarily against surface craft. The MK65 is a 910 kg (2,000 lb) dedicated, purpose-built mine. However, other Quickstrike versions (MK62, MK63, and MK64) are converted general-purpose ...

  7. Floppy disk - Wikipedia

    en.wikipedia.org/wiki/Floppy_disk

    8-inch floppy disk, inserted in drive, (3½-inch floppy diskette, in front, shown for scale) 3½-inch, high-density floppy diskettes with adhesive labels affixed The first commercial floppy disks, developed in the late 1960s, were 8 inches (203.2 mm) in diameter; [4] [5] they became commercially available in 1971 as a component of IBM products and both drives and disks were then sold ...

  8. Cosmic ray - Wikipedia

    en.wikipedia.org/wiki/Cosmic_ray

    The magnitude of the energy of cosmic ray flux in interstellar space is very comparable to that of other deep space energies: cosmic ray energy density averages about one electron-volt per cubic centimetre of interstellar space, or ≈1 eV/cm 3, which is comparable to the energy density of visible starlight at 0.3 eV/cm 3, the galactic magnetic ...

  9. Nissan Silvia - Wikipedia

    en.wikipedia.org/wiki/Nissan_Silvia

    The Australian market received the S15 Silvia in October 2000. Unlike with the New Zealand-spec S15 Silvia that came about a year prior, these were not official models from Nissan, and was built to different specs from the factory, featuring a unique 17-digit VIN instead of the Japanese "S15-XXXXXX" one. It was offered in the Spec-R and Spec-S ...