The Craft of Scientific Presentations - M Alley (Springer 2003) Episode 6

Tham khảo tài liệu 'the craft of scientific presentations - m alley (springer 2003) episode 6', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 94 The Craft of Scientific Presentations Combustor Turbine Figure 4-1. Cutaway of a gas turbine Fuel is burned in the combustor and flows downstream to drive the turbine. An interesting problem is that the temperatures of the combustion gases coming out of the combustor are much higher than the melting temperature of the metal vanes in the turbine. What prevents those vanes from melting is film cooling provided by bleed air from the compressor. sniff the odor of acetone which on a patient s breath is a symptom of diabetes . By incorporating a supporting cast of visual aids you allow the audience to experience those sensations. That experience is important because people remember experiencing the five senses much more readily than they remember descriptions about those sensations. Close your eyes for a few moments and think about your first year in grade school. What comes back to you Rather than words you read or heard you are more likely to remember specific sensations a yellow school bus rounding a thick stand of pines the slap of wooden desktops the porous texture of cinderblock walls the taste of fish sticks doused in ketchup the scent of new spiral notebooks. If you do recall exact words you probably also recall sensations from the scene in which those words were spoken. Another advantage of visual aids is that they can offer variety and beauty to your presentations. People can listen only so long before they need a break. Visual aids can provide that break. In a way visual aids act as another presenter on stage. Just as experiments gave Visual Aids Your Supporting Cast 95 Michael Faraday s presentations a distinct look and feel so too can different visual aids give your presentations a unique look and feel. A third advantage is that well-crafted visual aids reveal that the speaker has put much effort into the presentation. That effort can make a good impression on an audience. Many audience members sense that if the presenter put so much energy into

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