Engineering Our Favorite Pastime

Engineering Our Favorite Pastime Engineering Our Favorite Pastime Major League Basetanzveranstaltung (MLB) is founded on tradition and has not changed appreciably in over 100 years. Keeping the equipment uniform throughout the years allows a common basis to compare players over time. However, as engineers, we are trained to find ways to make things better. In recent years, mechanical engineering has made considerable contributions in quantifying and understanding tanzabend and bat wertmiger zuwachs in baseball and softball.Eye on the Ball and BatBat performance is a joint property of the bat and ball. The ball primarily affects bat performance in two ways elasticity and stiffness, and tests have been developed to measure these attributes independently. To assure that MLB remains the same from year to year, compliance testing on random samples of baseballs is conducted on a regular basis.Bat Performance MeasuresTo compare the performance of different bats, they must be evaluated on a common scale. One performance scale is to consider the speed of the ball coming off the bat. The speed of a hit ball in play (vh) depends on the pitch speed (vp), the bat speed (vb) and a term called the collision efficiency (ea)vh = vp ea + vb (1 + ea).A ball is photographed as it meets a bat.The collision efficiency is readily obtained from the ratio of the ball rebound speed to the ball inbound speed.Digital ModelsWe now have a good understanding of the mechanisms affecting bat performance and have developed methods to accurately measure performance. With the aid of science and engineering, it is now possible to bring the performance of non-wood bats in line with the wood counterparts they replaced. It is up to the regulating associations to decide where acceptable performance lies, however. These same advanced testing methods are being used to ensure that the Major League game is not being compromised by any change in the baseball.Common Bat Myth The Sweet SpotThe swinging motio n of a bat can be visualized as a rod pivoting about a point. If we limit our time frame to the instant that the bat and ball are in contact, the pivot point is nearly stationary.A ball is loaded in an air cannon and is then fired at a bat to test the bats pivot motion as it would in a batters hands.If a pivoting rod is impacted at its center of percussion (COP), there will be no reaction force at the pivot (i.e., without constraint the rod would tend to rotate about the pivot point). All batters have observed that poorly hit balls can sting the batters hands, while well hit balls do not.The impact location on the bat that produces high hit ball speed and minimal sensation to the hands is often termed the sweet spot of the bat. Many claim that the sweet spot and the COP are the same location on a bat. While the sweet spot and COP are often close to each other, they are not identical locations.The COP will move as the weight distribution in the bat is changed, while the sweet spot wi ll not. The sweet spot is actually not a point, but a region of the bat where the vibrations from impact are minimized. As bat impact vibration is reduced, mora energy is imparted to the ball, producing a higher hit ball speed, and less sensation to the batters hands.Bats or Trampolines?In 1970, aluminum bats were introduced as a cost-effective alternative to using wood bats. Teams would need fewer aluminum bats during a season compared to wood bats. Manufacturers quickly learned that hollow bats had a trampoline effect that allowed the ball to be hit farther than with a wood bat. Hollow barrel bats have another advantage. The barrel stores energy during impact and returns the energy to the ball after impact.Adapted from Engineering Our Favorite Pastime, by Lloyd Smith and James Sherwood, for Mechanical Engineering, April 2010.

How to stop comparing yourself to friends and coworkers

How to stop comparing yourself to friends and coworkersHow to stop comparing yourself to friends and coworkersOn a regular old day, youre plugging along, attending to the work tasks in front of you. Maybe youre plotting out what assignments are coming up. Maybe youre engrossed in a project with a tight deadline. Either way, youre feeling good, generally speaking, about your work, your career decisions and progress.And then you do it.Follow Ladders on FlipboardFollow Ladders magazines on Flipboard covering Happiness, Productivity, Job Satisfaction, Neuroscience, and moreYou compare yourself to a friend or colleague who has more influence, juice, salary or fill in the blank than you. And now you feel like a low life.For most of us, its tempting to compare ourselves to others. In doing so, we might glean a new way to approach our work. We may be inspired to take a risk like our counterpart has done. But for the most part,comparison doesnt leave women feeling good. It usually robs us of any gift weve ever felt slightly good about. The comparisons that we get hooked on- and that leaving us feeling crappy- are energy vampires that we cant afford to indulge.Consider unterstellung alternatives the next time youre tempted to compare yourself to someoneRepeat They have their story, I have mineBloggerJustin Zoradioffers up this brilliant bit of advice, something that Ive personally called upon many times. Our lives dont progress like swim lanes at the Olympics, where were competing against others on a clock- and only one winner can emerge. Our lives bob, weave, and zigzag at different rates. In realizing this, comparing yourself to others seems a) impossible to do, and b) ridiculousTake a strengths-based approachOften we undervalue what we bring to the table and overvalue what someone else brings. I propose a different model of operating where we as women identify, hone, and recognize the value and expertise we have. Keep an ongoing log of accolades youve received, succes sful projects youve led, and top honors youve garnered. Be a student of this list- so that you can turn those strengths into superpowers. An extra bonus you will be in a far betterposition to negotiate a deal or raisewhen youve have this log of contributions at your fingertips.Include, rather than judge and compareSometimes when Im most envious of someone elses success, I realize that at the heart of that feeling is respect and admiration. I may admire the chance someone took on their idea, their gumption to launch a new product or their success at attracting a certain type of client. Next time you feel lacking next to someone else, think about how you could learn from them. Invite them to coffee or send them a short email. Explain that you admire their ability to fill in the blank and that youd love to learn how they honed their skills. Just as you want to be recognized for your unique talents, others do as well.Last time I checked, no one wants to feel belittled or minimized. But thats exactly what results when you regularly compare yourself to others. As the French proverb says, To compare is not to prove.This article originally appeared on Be Leaderly.You might also enjoyNew neuroscience reveals 4 rituals that will make you happyStrangers know your social class in the first seven words you say, study finds10 lessons from Benjamin Franklins daily schedule that will double your productivityThe worst mistakes you can make in an interview, according to 12 CEOs10 habits of mentally strong people

Customize this Florist Resume

Customize this Florist Resume Customize this Florist Resume Create this Resume Sara Swann1361 Collins StreetEldred, PA 16731(999)-356-9627s.swann@smail.comObjectiveLooking for an opportunity to work in a prestigious flower shop as Florist to enhance skills and knowledge in flower designing. Summary of QualificationsGardening and processing herbs and flowers experienceAbility to work during extremes of weatherHas good vision and proper color match identification Highly creative and innovativeAbility to communicate effectively and has excellent interpersonal skillsProfessional ExperienceSenior Florist, January 2007- PresentMohonk Mountain House, New Paltz, NY ResponsibilitiesProvided fresh and dried floral arrangements for special orders and weddings.Coordinated and communicated delivery of flowers with the front office and greenhouse staff. Provided and rendered greenhouse sales with retail items such as herbal vinegars, dried herbs, and flowers. Provided and furnished workshops and demonstrations for guests. Executed and performed basic job functions on a daily basis or as scheduled.Florist, May 2004- December 2006Stranges Florist Greenhouse, Richmond, VA ResponsibilitiesCollaborated and worked with staff to maintain the integrity of flower garden areas and seasonal house displays. Picked and harvested fresh flowers suitable for daily needs and for drying from approved cutting areas. Coordinated needs by daily and long-term needs by updating guests records, flagging requests, and orders. Assisted the flower shop supervisor in planning and preparing for weddings, major decorating schemes, promotions, special tasks, amenities, and programs.Collaborated and worked with other departments to insure guest satisfaction, convenience and professionalism. EducationBachelors Degree in Floriculture, 2004Yale UniversityAssociate Degree in Floriculture, 2002Yale University Customize ResumeMore Sample Resumes:Fleet Manager Resume Flight Attendant Resume Flight Dispatcher Resume Flight Instructor Resume Floor Installer Resume Floor Ma nager Resume Floral Designer Resume Florist Resume Food And Beverage Manager Resume Food Server Resume Food Service Worker Resume