Because of its low density and atomic mass, beryllium is relatively transparent to X-rays and other forms of ionizing radiation ; therefore, it is the most common window material for X-ray equipment and in particle physics experiments.

Because " Hume's plan is to extend to philosophy in general the methodological limitations of Newtonian physics ", Hume is characterised as an empiricist.

Because their units cancel, ratios of like-dimensioned physical constants do not depend on unit systems in this way, so they are pure dimensionless numbers whose values a future theory of physics could conceivably hope to predict.

Because events are spacetime points, an example of an event in classical relativistic physics is, the location of an elementary ( point-like ) particle at a particular time.

Because of this history, the statistical physics is often considered synonymous with statistical mechanics or statistical thermodynamics.

Because one of the two fundamental postulates of special relativity says that the laws of physics should work the same way in every inertial frame, if it is possible for signals to move backwards in time in any one frame, it must be possible in all frames.

Because of its robust theoretical strength, a wormhole is also known as one of the great physics metaphors for teaching general relativity.

Because this is a conserved quantity in physics, binaries give us important clues about the conditions under which the stars were formed.

Because the known laws of physics are all local, and because non-local interactions combined with relativity lead to causal paradoxes, many physicists find this unacceptable.

Because quantum mechanics only reproduces classical mechanics in a statistical interpretation, and because the statistical interpretation only gives the probabilities of different classical outcomes, Bohr has argued that classical physics does not emerge from quantum physics in the same way that classical mechanics emerges as an approximation of special relativity at small velocities.

Because games do not need to mimic actual physics, stability is not as much of an issue.

Because this history is currently described ( after the first fraction of a second after the origin ) almost entirely in terms of known physical processes and particle physics, the cosmological principle is extended to assert the homogeneity of cosmological evolution across the anisotropy of time: … all points in space ought to experience the same physical development, correlated in time in such a way that all points at a certain distance from an observer appear to be at the same stage of development.

Because light from hydrogen atoms in distant galaxies may reach the earth after having traveled across space for billions of years, in effect one can do such observations covering periods of time almost all the way back to the Big Bang, and they showed that the laws of physics had always been the same.

Because of this, 1905 is said to be the miraculous year for physics, and its 100th anniversary ( 2005 ) was declared the World Year of Physics.

Because astrophysics is a very broad subject, astrophysicists typically apply many disciplines of physics, including mechanics, electromagnetism, statistical mechanics, thermodynamics, quantum mechanics, relativity, nuclear and particle physics, and atomic and molecular physics.

Because Titor claimed the many-worlds interpretation of quantum physics was correct, effectively meaning that his travel was from a parallel universe and that things could occur differently than he had predicted, the details he presented were unfalsifiable.

Because optical engineers want to design and build devices that make light do something useful, they must understand and apply the science of optics in substantial detail, in order to know what is physically possible to achieve ( physics and chemistry ).

Because of this, it is often employed in particle physics for systems which consist of widely separated high-energy particles.

Because we do not know the precise details of the shortest-distance theory of physics ( quantum gravity ), we cannot even address how this delicate cancellation between two large terms occurs.

Because of this, and his early interest in physics, Strauss established a fund for physics research that could lead to better radiation treatment for cancer patients.

Because the WD1770 is capable of single density mode and uses the same IBM360 derived floppy disc format as the Intel 8271 found in the BBC Micro, it was also possible to run a DFS filing system with an alternate ROM, such as the P. R. E. S AP4 interface.

Because of its shape the Corbino disc allows the observation of Hall effect – based magnetoresistance without the associated Hall voltage.

Because they feature stereo audio, disc players have an option to play only the left or right audio channel.

Because the discs were read optically instead of magnetically, no physical contact needs to be made between the player and the disc, except for the player's clamp that holds the disc at its center as it is spun and read.

Because of this, slight dust and scratches on the disc surface can result in read-errors which cause various video quality problems — glitches, streaks, bursts of static, or momentary picture interruptions.

Because the format ( based on the ADFS hard disc format ) used a starting sector for each file, the data layout effectively skipped over any video frames.

Because it is a great deal closer to the Sun than was expected for an Oort cloud object, and has an inclination roughly in line with the planets and the Kuiper belt, they described the planetoid as being an " inner Oort cloud object ", situated in the disc reaching from the Kuiper belt to the spherical part of the cloud.

* June 1 – Because of the similarity of the red disc in the center of the national insignia for U. S. military aircraft 20px to Japanese markings, the United States adopts a new national insignia without the red disc, consisting simply of a white star centered in a blue circle 20px.

Because of restrictions on internal space for hard disc drives and a desire for low noise levels, many HTPC units utilize a NAS ( Network Attached Storage ) device, or another type of network connected file server.

Because of his importance in that pre-rock music era, the staff of the Rock and Roll Hall of Fame in Cleveland has included him in a display about the most influential disc jockeys in history.

Because the solar disc has a diameter of approximately half a degree, it is possible for the Sun to straddle the cusp as it moves across the sky.

Because the DVD Video format was invented before DVDs were recordable it doesn't allow editing on the disc, doesn't support defect management ( so not as robust for continuous everyday recording and wiping ), if you delete a title you may not get the space back without completely erasing the disc, and needs a finalise step to play elsewhere.

Because the librarians were concerned that the LPs, many of which were rare, would soon become unlistenable at the hands of the students and faculty, his job was to take every disc and record it onto cassette, a kind of back-up operation.

Because of its design its recording abilities is less than other disc animals.

Because of its unstable nature, astronomers now consider the scattered disc to be the place of origin for most periodic comets observed in the Solar System, with the centaurs, a population of icy bodies between Jupiter and Neptune, being the intermediate stage in an object's migration from the disc to the inner Solar System.

Because Christianity teaches not only salvation in history, but salvation by the history of Christ, such an interpretation of death would require a drastic revision of the Christian understanding of the work of Christ.

Because evolutionary naturalism proposes an empirical account of morality, it does not require morality to exist objectively ; Linville considers the view that this will lead to moral scepticism or antirealism.

Because uniformed volunteer disaster responders are accorded a higher level of trust than unaffiliated volunteers when responding in a disaster, many sponsoring agencies require a criminal background-check of all trainees before allowing them to participate on a CERT.

Because different writing systems require different parts of the brain to process the visual notation of speech, children with reading problems in one language might not have a reading problem in a language with a different orthography.

Because a trial would require the " presumption of innocence ," such a proceeding would contradict the mission of the National Convention.

Because it is the shallowest, it is also the warmest of the Great Lakes, and in 1999 this almost became a problem for two nuclear power plants which require cool lake water to keep their reactors cool.

Because mitochondria are dynamic organelles constantly undergoing fission and fusion events, they require a constant and well-regulated supply of phospholipids for membrane integrity.

Because any serious side effects will usually appear within the first twelve weeks, the guidance does not require patients already receiving treatment to stop taking the drug.

Because of the rarity of cancers which require the partial or total removal of the penis, support from people who have had the penis removed can be difficult to find locally.

Because turbomolecular pumps only work in molecular flow conditions, a pure turbomolecular pump will require a very large backing pump to work effectively.

Because trackballs for personal computers are stationary, they may require less space for operation than a mouse, and may simplify use in confined or cluttered areas such as a small desk or a rack-mounted terminal.

Because these two options require special server configuration, most websites do not make use of them.

Because brain injuries can be life threatening, even people with apparently slight injuries, with no noticeable signs or complaints, require close observation ; They have a chance for severe symptoms later on.

Because of the high air pressure they produce in the cabinet, subwoofer enclosures often require internal bracing to distribute the resulting forces.

Because of the lack of infection-fighting neutrophils, a bacterial infection can spread rapidly ; this fever is, therefore, usually considered to require urgent medical attention.

Because many free email services do not require valid identifying information, and also allow communication with many victims in a short span of time, they are the preferred method of communication for scammers.

Because the momentum of the forward cast must rotate the spool as well as propel the fishing lure, bait casting designs normally require heavier lures (> 1 / 4 oz.

Because of the longer distance, regulations require two drivers per car for this race.

Because this presents a significant advantage to the team winning the coin toss to decide who receives the first overtime possession, the NFL moved in 2011 to require that if both teams have not had possession of the ball prior to the first score, then the team who does have possession must score a touchdown to end the game, preventing the team winning the coin toss from making a much shorter drive down the field and kicking a " golden goal " without the other team having a chance to touch the ball.

Because of the fundamental value of land and real estate to the local and global economy, land surveying was one of the first professions to require Professional Licensure.

Because guinea pigs require much less room than traditional livestock and reproduce extremely quickly, they are a more profitable source of food and income than many traditional stock animals, such as pigs and cows ; moreover, they can be raised in an urban environment.

Because bicycles require less steep grades than hikers, bike trails may have multiple switchbacks, while these may not be necessary for hikers.

Because the ablutions necessarily require consuming the Holy Mysteries ( the Body and Blood of Christ ), a priest or deacon may only perform them after having fully prepared himself through fasting and the lengthy Preparation for Holy Communion.