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Since light pens operate by detecting light emitted by the screen phosphors, some nonzero intensity level must be present at the coordinate position to be selected, otherwise the pen won't be triggered.
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Since and light
Since the Universe has a finite age, and light travels at a finite speed, there may be events in the past whose light has not had time to reach us.
Since oxygenated and deoxygenated blood reflects light by different amounts, we can study which areas are more active ( i. e., those that have more oxygenated blood ).
Since the development of armored warfare the distinction between light and heavy armor has persisted basically along the same lines.
Since light is an oscillation it is not affected by travelling through static electric or magnetic fields in a linear medium such as a vacuum.
Since the visible spectrum of light is composed of wavelengths between 390 and 750 nanometers ( nm ), if the droplet sizes in the emulsion are below about 100 nm, the light can penetrate through the emulsion without being scattered.
Since this implies that one particle is communicating with the other instantaneously across space, i. e. faster than light, this is the " paradox ".
Since frequency and wavelength are inversely proportional, this is equivalent to saying that the frequency of the light is reduced towards the red part of the light spectrum, giving this phenomenon the name redshift.
Since EtBr stained DNA is not visible in natural light, scientists mix DNA with negatively charged loading buffers before adding the mixture to the gel.
Since the 1980s, various experiments have verified that it is possible for the group velocity of laser light pulses sent through specially prepared materials to significantly exceed the speed of light in vacuum.
Since the working life of a hearse is generally one of light duty and short, sedate drives, hearses remain serviceable for a long time ; hearses 30 years old or more may still be in service, although some funeral homes replace them at least once a decade.
Since absorption is cumulative, the color effect intensifies with increasing thickness or if internal reflections cause the light to take a longer path through the ice.
Since Brighid represented the light half of the year, and the power that will bring people from the dark season of winter into spring, her presence was very important at this time of year.
Since the early 1980s, a global dark-sky movement has emerged, with concerned people campaigning to reduce the amount of light pollution.
Since not everyone is irritated by the same lighting sources, it is common for one person's light " pollution " to be light that is desirable for another.
Since relativity postulates that the speed of light is the same for all observers, the Lorentz transformation must preserve the spacetime interval between any two events in Minkowski space.
Since the early 1990s, a light has been fixed to it about one-third of the way up.
Since 1983, it has been defined as " the length of the path travelled by light in vacuum during a time interval of of a second.
Since fluorescence emission differs in wavelength ( color ) from the excitation light, an ideal fluorescent image shows only the structure of interest that was labeled with the fluorescent dye.
Since any fluorescence image is made up of a large number of such small fluorescent light sources, the image is said to be " convolved by the point spread function ".
Since he was the light of the world, where was this light, they asked, when he was in the womb of the Virgin?
Since and pens
Since, when tried, this viscous ink would not flow into a regular fountain pen nib, Bíró, with the help of his brother György, a chemist, began to work on designing new types of pens.
Since their invention and subsequent proliferation in the mid-20th Century, ballpoint pens have proven to be a versatile art medium for professional artists as well as amateur doodlers.
Since they could not destroy the base and its submarine pens, the Allies had decided to flatten the city and port of Lorient, in order to cut the supply lines to the U-boat bases.
Since 2011 Moleskine also designs other objects connected to the cultural activities of reading, travelling and writing, including bags, reading glasses, pens, pencils, cases for digital devices, booklights, and reading stands.
Since and operate
Since the death of Elissa Aalto the office has continued to operate as the Alvar Aalto Academy, giving advice on the restoration of Aalto buildings and organising the vast archive material.
Since AIFMD covers the entire EU, and individual countries have different rules for hedge fund marketing, the directive introduced a " passport " for hedge funds authorized in one EU country to operate throughout the EU.
Since M-theory is thought to operate in 11 dimensions this problem then becomes very difficult.
Since transmit data and receive data are separate circuits, the interface can operate in a full duplex manner, supporting concurrent data flow in both directions.
Since a few states lack intermediate appellate courts, the state supreme court may operate under " mandatory review ", in which it must hear all appeals from the trial courts.
Since Hurricane Katrina, Mississippi has removed the requirement that casinos on the Gulf Coast operate on barges and now allows them on land along the shoreline.
Since all opposition was banned within Turkmenistan, it was forced to form and operate from abroad.
Gigabyte TA7 thin client Since the clients are made from low-cost hardware with few moving parts, they can operate in more hostile environments than conventional computers.
Since the tube requires a vacuum to operate, convection cooling of the plate is not generally possible ( except in special applications where the anode forms a part of the vacuum envelope ; this is generally avoided due to the shock hazard from the anode voltage ).
Since Wankel engines operate at a relatively high rotational speed with relatively low torque, propeller aircraft must use a Propeller Speed Reduction Unit ( PSRU ) to keep their propellers within the proper speed range.
Since the machine was designed to operate on large data sets, the design also dedicated considerable circuitry to I / O.
Since end-to-end protocols typically operate on the basis of larger information units, Frame Relay recommends that the network support the maximum value of at least 1600 octets in order to avoid the need for segmentation and reassembling by end-users.
Since the crucial function of a file server is storage, technology has been developed to operate multiple disk drives together as a team, forming a disk array.
Multiply by the switching frequency on the load capacitances to get the current used, and multiply by voltage again to get the characteristic switching power dissipated by a CMOS device:. Since most gates do not operate / switch at every clock cycle, they are often accompanied by a factor, called the activity factor.
Since LRT systems can operate using existing streets, they can often avoid the cost of expensive grade-separated subway and elevated segments that would be required with RRT.
Since SSTV systems operate on voice frequencies, amateurs use it on shortwave ( also known as HF by amateur radio operators ), VHF and UHF radio.
Since the lamp filament can operate at a higher temperature than a non-halogen lamp, the spectrum is shifted toward blue, producing light with a higher effective color temperature.
Since the beginning of the Medicare program, CMS has contracted with private companies to operate as intermediaries between the government and medical providers.
Since single cycle ( gas turbine only ) power plants are less efficient than combined cycle plants, they are usually used as peaking power plants, which operate anywhere from several hours per day to a few dozen hours per year — depending on the electricity demand and the generating capacity of the region.
Since The Voyage Home was the first Star Trek film to show the operations at Starfleet Command, Bennett and Nimoy visited NASA's Jet Propulsion Laboratory to learn how a real deep space command center might look and operate.
Since 1985, the United States has selected the foundation to operate the U. S. Pavilion of the Venice Biennale, an exhibition held every other summer.
Since 1985, the United States has selected the foundation to operate the U. S. Pavilion of the Venice Biennale, an exhibition held every other summer.
Since infrared ( IR ) remote controls use light, they require line of sight to operate the destination device.
Since discontinuing all scheduled service in May 2008, North American Airlines continues to operate today as solely a charter airline.
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