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2015-08-02 Entomology (Study of Bugs) - Is this a bedbug? If not, what is it?:

Alex,    No, this is not a bed bug, wrong shape and color (see http://www.livingwithbugs.com/bed_bug.html for a comparison). However, the image is too small to get a good id. If you can get a closer picture

2015-08-01 Civil Engineering - dynamic:

Dear Hassan    Are yo sure about the restrain in the supports. I guess a roller is removed from the model. With no roller and no specification of cross section area you dont have a degree of freedom along

2015-08-01 Entomology (Study of Bugs) - Is this a tick?:

Dragos,    Very nice photo. This is not a tick (see http://www.livingwithbugs.com/ticks.html for comparison photos), this is a true bug (Hemiptera), possibly one of the stink bugs (Pentatomidae). This

2015-08-01 Physics - acceleration due to gravity in car:

Hello vinu,    Acceleration is the rate of change of velocity per unit of time. You didn't give me enough data to calculate acceleration. If you started from a velocity of 0 and accelerated to 39.88 m/s

2015-08-01 Interspecies Conflict - Pack park 2:

Hello Anthony.      4 male Xenos (380kg each) vs Allosaurus:  The Allosaurus will weigh over 6-7 times as much as a single Xeno.  Allosaurus was a large theropod with good hunting skills and a huge bite

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