Unlike the solar heat concentrators mentioned above, photovoltaic panels convert sunlight directly to electricity.

Unlike a solar eclipse, which can only be viewed from a certain relatively small area of the world, a lunar eclipse may be viewed from anywhere on the night side of the Earth.

Unlike rooftop panels, solar ivy panels are small and shaped like ivy so that they can be installed in an attractive arrangement that will scale walls, much like ivy growing over a building ’ s surface.

Unlike the reckoning of local solar time in " time zones ," incrementing by ( usually ) one hour, differences in local sidereal time are reckoned based on actual measured longitude, to the accuracy of the measurement of the longitude, not just in whole hours.

Unlike conductive and convective forms of heat transfer, thermal radiation can be concentrated in a small spot by using reflecting mirrors, which is exploited in concentrating solar power generation.

Unlike Soyuz 12, the craft was equipped with solar panels to allow for an extended mission.

Unlike seismic waves on Earth, solar waves have practically no shear component ( s-waves ).

Unlike Rendezvous with Rama, which depicted a utopian future and focused almost entirely on the hard science fiction elements regarding the scientific wonders of the alien spacecraft, Rama II and its sequels deconstruct Clarke's vision of human colonies throughout the solar system through a global economic crisis that forced their almost total deactivation.

Unlike the Tzolk ' in, another Mayan Calendar system with no obvious relation to an astronomical or geophysical cycle, the Haab ' approximated the solar year.

Unlike most communications satellites of the period, which had spin stabilized bodies covered with solar cells, the Hermes CTS was three-axis stabilized and had its solar panels spread out on two huge " wings ".

Unlike solar thermal energy which converts solar energy to heat, PV cells directly convert sunlight into electricity.

Unlike the nuclear-powered Von Braun, the DRO utilizes solar panels, capable of several megawatts, for power.

Unlike the Moon however, Mercury has the additional advantage of a magnetic field protecting it from cosmic rays and solar storms, and a larger surface gravity of about 0. 38 g, nearly equal to that of Mars.

Unlike normal eclipsing binaries, the contact nature makes it impossible to precisely tell when an eclipse of one component by the other starts or ends.

Unlike its predecessors, Luna 7 successfully carried out its mid-course correction on October 5 on the way to the Moon, in anticipation of a soft-landing two days later.

Unlike the Putties, the Tenga Warriors are not expendable and they return to the Moon when defeated.

Unlike many long-running newspaper comics, Moon Mullins did not have a period of decline ; maintaining its high standard of humor and art for almost seven decades.

Unlike most other basins on the Moon, Orientale is relatively unflooded by mare basalts, exposing much of the basin structure to view ; the central portion of Mare Orientale is covered by a thin layer of mare basalt probably less than 1 kilometer deep, much less than in other nearside mare basins.

Unlike most traditional pop music singers at the time, Page was able to maintain her success in the late-1950s ( although not as successful as the early-1950s ), having three major hits in 1956, including the No. 2 hit " Allegheny Moon.

Unlike many lunar deities in other cultures who personify the Moon, Chang ' e only lives on the Moon.

Unlike the other inhabitants of the Moon, who are all anthropomorphic rabbits she appears as a human who is dressed like a Playboy bunny.

Unlike the Earth and the Moon, Io's main source of internal heat comes from tidal dissipation rather than radioactive isotope decay, the result of Io's orbital resonance with Europa and Ganymede.

Unlike the original Harvest Moon for the SNES, there is a limited amount of time to work in any given day as well as a limited amount of stamina for work.

Unlike its American sister label, Moon Ska World has released albums from outside of the ska genre.

Unlike the third Tom Swift series, this one is entirely set on Earth ( with occasional space trips to the Moon ).

Unlike the other factions, they are relatively peaceful, and prior to the destruction of Earth, lived unhindered on the Moon.

Unlike its relatives, the aardwolf does not hunt large animals ; instead it eats insects, mainly termites-one aardwolf can eat about 200, 000 termites during a single night by using its long, sticky tongue to capture them.

Unlike ethanol, methanol is extremely toxic: As little as 10 ml can cause permanent blindness by destruction of the optic nerve and 30 ml ( one fluid ounce ) is potentially fatal.

Unlike a " subroutine ", a complete web component can be implemented as an applet.

Unlike traditional adhesives, UV light curing adhesives not only bond materials together but they can also be used to seal and coat products.

** ( note: Unlike a standard 6502, SALLY can be halted to allow other devices to control the bus )

Unlike an archiver that compresses each file in isolation, an archiver that combines files before compressing them can exploit redundancy across several archived files.

Unlike some non-mammalian animals ( such as lizards that shed their tails, salamanders that can regrow many missing body parts, and hydras, flatworms, and starfish that can regrow entire bodies from small fragments ), once removed, human extremities do not grow back, unlike portions of some organs, such as the liver.

Unlike offshoring, outsourcing always involves subcontracting jobs to a different company, and that company can be in the same country as the outsourcing company.

Unlike other reagents that participate in the chemical reaction, a catalyst is not consumed by the reaction itself ; however, it can be inhibited, deactivated or destroyed by secondary processes.

Unlike other anime and manga, where jokes and references are often exclusory or require knowledge of Japanese culture and / or the workings and conventions of anime, Cowboy Bebop is accessible – western audiences can connect with the characters readily and more fully understand their motivations and struggles.

Unlike a phone book, however, DNS can be quickly updated and these updates distributed, allowing a service's location on the network to change without affecting the end users, who continue to use the same hostname.

Unlike modern systems, which can be applied to widely different databases and needs, the vast majority of older systems were tightly linked to the custom databases in order to gain speed at the expense of flexibility.

Unlike the hierarchical structure, it can relate to many records and accesses them by following one of several paths.

Unlike every other version of the game, Duke Nukem cannot turn ; he can only move forwards, backwards, and strafe left or right.

Unlike the rest of the violin family, the double bass still reflects influence and can be considered partly derived from the viol family of instruments, in particular the violone, the bass member of the viol family.

Unlike MCA, EISA can accept older XT and ISA boards — the lines and slots for EISA are a superset of ISA.

Unlike the feel of pain, which can be fully absent in some human conditions, there is no such condition as congenital absence of fear ( although psychopaths are known to have a much lessened feeling of fear ).

Unlike natural languages, such as English, the language of first-order logic is completely formal, so that it can be mechanically determined whether a given expression is legal.

Unlike the traditional, more humanlike gnomes, they can have a wide variety of physical features and skin colours.

Unlike the d20 System and many other game systems, experience awards are in the form of character points, which have the same value as those used in character creation and can be applied directly to the character's abilities upon receipt.

Unlike ice pellets, hail stones are layered and can be irregular and clumped together.

Unlike a creepy gothic room-mate, who can be a bad influence.

Unlike high impact exercises, which can damage knees and the connective tissues of the lower body, rowing's most common injury site is the lower back.