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The free-piston linear generator ( FPLG) uses chemical energy from fuel to drive magnets through a stator and converts this linear motion into electric energy. Because of its versatility, low weight and high efficiency, it can be used in a wide range of applications, although it is of special interest to the mobility industry as range extenders ...
However, generally they are considerably slower (typically by a factor 2–10) than fast, non-cryptographic random number generators. These include: Stream ciphers. Popular choices are Salsa20 or ChaCha (often with the number of rounds reduced to 8 for speed), ISAAC, HC-128 and RC4. Block ciphers in counter mode.
A magnetohydrodynamic generator ( MHD generator) is a magnetohydrodynamic converter that transforms thermal energy and kinetic energy directly into electricity. An MHD generator, like a conventional generator, relies on moving a conductor through a magnetic field to generate electric current. The MHD generator uses hot conductive ionized gas (a ...
Construction Cutty Sark photographed at sea by Captain Woodget using a camera balanced on two of the ship's boats lashed together Cutty Sark was ordered by ship-owner John Willis, who operated a shipping company founded by his father. The company had several ships in the tea trade from China to Britain. Speed was an advantage to vessels carrying a high-value, seasonal product, such as tea ...
Coin grading [1] is the process of determining the grade or condition of a coin, one of the key factors in determining its collectible value. A coin's grade is generally determined by six criteria: strike, preservation, luster, color, attractiveness, and occasionally the country/state in which it was minted.
Strength training with weight is helpful for building muscle after 50, just like it is when you’re under 50, Matheny says. By the way, Sklar says you’re fine to use heavy weights if you want ...
The euro dipped 0.16% to $1.0687 and was headed for a 1.5% monthly decline, as the common currency continues to be weighed by political turmoil in the bloc, with France's snap election due to kick ...
A cryptographically secure pseudorandom number generator ( CSPRNG) or cryptographic pseudorandom number generator ( CPRNG) is a pseudorandom number generator (PRNG) with properties that make it suitable for use in cryptography. It is also referred to as a cryptographic random number generator ( CRNG ).