Expert insights and detailed technical documentation about investigative reporting.
Score: 4.9/5 (65 votes) In analytic geometry, the direction cosines of a vector are the cosines of the angles between the vector and the three positive coordinate axes. Equivalently, they are the contributions of each component of the basis to a unit vector in that direction.What is meaning of direc...
Score: 4.2/5 (40 votes) Studded tires are legal in Washington from Nov.1 to March 31. State law gives WSDOT authority to extend the deadline when circumstances call for it, most commonly when a forecast indicates widespread snow and ice.What states have banned studded tires?Metal studs are prohibite...
Score: 4.6/5 (44 votes) Image from Muscle Premium. As one of the primary movers in spine flexion, the rectus abdominis also helps to flex the vertebral column and bring the pelvis forward. The internal and external obliquesexternal obliquesThe abdominal external oblique muscle (also external oblique...
Score: 4.1/5 (37 votes) Watchmen, graphic novel by writer Alan Moore and artist Dave Gibbons, published as a 12-part series by DC Comics from September 1986 to October 1987. The complex characters and mature story line were unlike anything previously seen in the superhero genre.How was Watchmen orig...
Score: 4.7/5 (49 votes) A correlation between variables, however, does not automatically mean that the change in one variable is the cause of the change in the values of the other variable. Causation indicates that one event is the result of the occurrence of the other event; i.e. there is a causal ...
Score: 4.5/5 (50 votes) The first collectible card game created was Magic: The Gathering, invented by Richard Garfield, and patented by Wizards of the Coast in 1993. The game has remained popular, with Wizards of the Coast claiming it to be the most widely played CCG as of 2009. It was based on Garf...
Score: 4.9/5 (25 votes) A typical wall could be 3 m (10 ft) thick and 12 m (39 ft) tall, although sizes varied greatly between castles. To protect them from undermining, curtain walls were sometimes given a stone skirt around their bases.How tall are medieval walls?Some later medieval castles had wa...
Score: 4.7/5 (57 votes) The earliest known appearance of a jelly bean is a 1861 advertisement for William Schrafft of Boston that promoted the sending of jelly beans to soldiers in the Union Army during the Civil War.Why do we have jelly beans on Easter?Most historians contend that jelly beans were ...
Score: 4.6/5 (53 votes) The two most common species on Islay are the Culicoides Obsoletus and Culicoides Impunctatus, also known as Highland Midge, both 1.6 mm long. ... Midges usually appear in the evening and early morning when there is only a little or no wind.Where in Scotland are there no midge...
Score: 4.5/5 (59 votes) Mules, whether high or low heel should not feel difficult to walk in. They should not feel clumsy or heavy during walking or seem to be ready to fall off the foot. ... If the mules have thick soles it helps make walker easier if the soles have rocker bottoms.Are mules good fo...
