Quora

How effective was dazzle camouflage at confusing submarines? Answer by Richard Meakin: "During WWI, dazzle camouflage involved painting allied shipping with bold geometric patterns to disrupt the perceptions of enemy submariners. This was perceptual camouflage intended not to hide the ship but to deceive the enemy submarine as to the ship’s heading, range and speed..." quora.com/How-effective-…

What are some examples of interesting symbiotic relationships between different species of mammals? Is mutualistic relationship the same thing as symbiotic relationship? Answer by Gary Meaney: "Neighbouring mammals often either compete over similar resources, or have a predator-prey relationship. That said, there are a select few cases where mutualism has happened..." quora.com/What-are-some-…

How do the really giant vehicles (like pit mine trucks) that are obviously too large for road transport, get to the location where they are used? Answer by Christopher Pellerito: "When Cat delivers a new 797, it arrives in pieces aboard 12 semis, which is to say, 'some assembly required...'" quora.com/How-do-the-rea…

Why does the Starship's approach to stage separation allow for virtually no delay, and what risks does this involve compared to the Saturn V? Answer by Frank Norris: "Hot staging decreases the gap between acceleration significantly, which increases payload capability..." quora.com/Why-does-the-S…

Why, in respect to the accident at LaGuardia, is it reported that the plane hit the truck, indicating that the plane was in the wrong, whereas it appears that the truck hit the plane? Answer by Chuck Cobb, former flight instructor with over 2,000 hours: "Airport traffic management is subject to a much higher level of control than automotive traffic and the ATC controller has absolute control over the movement of all aircraft and vehicles on the airport..." quora.com/Why-in-respect…