How do scientist categorize tornadoes? Tornadoes are categorized by their wind speed and the amount of damage they cause using a scale called the “Enhanced Fujita” scale. It is usually abbreviated as the “EF” scale. How many categories of classification…
Are Poly motor mounts better? Polyurethane engine mounts provide a compromise between some of the benefits rubber and some of the benefits of solid mounts made of steel. Polyurethane can be compounded for higher durometers than rubber, which will hold…
What is a simple definition of ransomware? Ransomware is a type of malware that prevents or limits users from accessing their system, either by locking the system’s screen or by locking the users’ files until a ransom is paid. What…
Why did they lock the guy in the room with the berries in Hunger Games? President Snow didn’t want to take responsibility for the poison-berry part at the end of the games, so he punished Seneca Crane instead by locking…
What is export control questionnaire? This questionnaire uses terminology derived from the regulations of the US Departments of State, Commerce and Treasury. These questions ask about sharing, shipping, transmitting or transferring any items, information or software. What is deemed export…
Is trout season open in Missouri? The pristine waters and natural surroundings of the Current River are an excellent background for trout fishing. Trout season opens March 1 and lasts until Oct. 31. In between, there is a catch-and-release program…
What is the best rpm to mill aluminum? The basic calculation to find a starting point for RPMs would be (3.82 x SFM) / Diameter. In wrought aluminum alloys (i.e. 2024, 6061, 7075), a surface footage of 800-1500 SFM is…
What is the basis of methicillin resistance in staphylococci? Methicillin resistance in staphylococci is determined by mec, composed of 50 kb or more of DNA found only in methicillin-resistant strains. How does Staphylococcus aureus detect methicillin-resistant? Doctors diagnose MRSA by…
How many gun deaths are there in the US each year? 45,000 people More than 45,000 people in the U.S. were killed by guns in 2020, the Centers for Disease Control reported recently. That year, firearms became the leading cause…
What is the dimension of probability? Namely, probability is dimensionless (it’s just a number between 0 and 1), and given by the integral of probability density, so P=∫ρ dV. The volume element has dimensions [L]3, so the probability density must…