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#!/usr/bin/env python3
"""
Create PowerPoint presentation: "Every Test Has a Story"
Safety Testing History for DTS
"""
from pptx import Presentation
from pptx.util import Inches, Pt
from pptx.dml.color import RGBColor
from pptx.enum.text import PP_ALIGN, MSO_ANCHOR
from pptx.enum.shapes import MSO_SHAPE
from pptx.oxml.ns import nsmap
from pptx.oxml import parse_xml
# Create presentation with widescreen dimensions
prs = Presentation()
prs.slide_width = Inches(13.333)
prs.slide_height = Inches(7.5)
# Color scheme
DARK_BLUE = RGBColor(0, 51, 102)
ACCENT_BLUE = RGBColor(0, 112, 192)
ACCENT_RED = RGBColor(192, 0, 0)
DARK_GRAY = RGBColor(64, 64, 64)
LIGHT_GRAY = RGBColor(200, 200, 200)
def add_title_slide(title, subtitle=""):
"""Add a title slide"""
slide_layout = prs.slide_layouts[6] # Blank
slide = prs.slides.add_slide(slide_layout)
# Title
title_box = slide.shapes.add_textbox(
Inches(0.5), Inches(2.5), Inches(12.333), Inches(1.5)
)
tf = title_box.text_frame
p = tf.paragraphs[0]
p.text = title
p.font.size = Pt(54)
p.font.bold = True
p.font.color.rgb = DARK_BLUE
p.alignment = PP_ALIGN.CENTER
# Subtitle
if subtitle:
sub_box = slide.shapes.add_textbox(
Inches(0.5), Inches(4.2), Inches(12.333), Inches(1)
)
tf = sub_box.text_frame
p = tf.paragraphs[0]
p.text = subtitle
p.font.size = Pt(28)
p.font.color.rgb = DARK_GRAY
p.alignment = PP_ALIGN.CENTER
return slide
def add_section_slide(title, subtitle=""):
"""Add a section divider slide"""
slide_layout = prs.slide_layouts[6] # Blank
slide = prs.slides.add_slide(slide_layout)
# Add colored background bar
shape = slide.shapes.add_shape(
MSO_SHAPE.RECTANGLE, Inches(0), Inches(2.8), Inches(13.333), Inches(2)
)
shape.fill.solid()
shape.fill.fore_color.rgb = DARK_BLUE
shape.line.fill.background()
# Title on bar
title_box = slide.shapes.add_textbox(
Inches(0.5), Inches(3), Inches(12.333), Inches(1.2)
)
tf = title_box.text_frame
p = tf.paragraphs[0]
p.text = title
p.font.size = Pt(44)
p.font.bold = True
p.font.color.rgb = RGBColor(255, 255, 255)
p.alignment = PP_ALIGN.CENTER
# Subtitle below bar
if subtitle:
sub_box = slide.shapes.add_textbox(
Inches(0.5), Inches(5), Inches(12.333), Inches(0.8)
)
tf = sub_box.text_frame
p = tf.paragraphs[0]
p.text = subtitle
p.font.size = Pt(24)
p.font.italic = True
p.font.color.rgb = DARK_GRAY
p.alignment = PP_ALIGN.CENTER
return slide
def add_content_slide(title, bullets, footnote=""):
"""Add a content slide with title and bullets"""
slide_layout = prs.slide_layouts[6] # Blank
slide = prs.slides.add_slide(slide_layout)
# Title
title_box = slide.shapes.add_textbox(
Inches(0.5), Inches(0.3), Inches(12.333), Inches(1)
)
tf = title_box.text_frame
p = tf.paragraphs[0]
p.text = title
p.font.size = Pt(36)
p.font.bold = True
p.font.color.rgb = DARK_BLUE
# Underline
line = slide.shapes.add_shape(
MSO_SHAPE.RECTANGLE, Inches(0.5), Inches(1.1), Inches(12.333), Inches(0.03)
)
line.fill.solid()
line.fill.fore_color.rgb = ACCENT_BLUE
line.line.fill.background()
# Bullets
body_box = slide.shapes.add_textbox(
Inches(0.5), Inches(1.4), Inches(12.333), Inches(5.5)
)
tf = body_box.text_frame
tf.word_wrap = True
for i, bullet in enumerate(bullets):
if i == 0:
p = tf.paragraphs[0]
else:
p = tf.add_paragraph()
# Handle sub-bullets (indented with -)
if bullet.startswith(" -"):
p.text = " • " + bullet.strip().lstrip("-").strip()
p.font.size = Pt(20)
p.level = 1
else:
p.text = "• " + bullet.strip().lstrip("-").strip()
p.font.size = Pt(24)
p.level = 0
p.font.color.rgb = DARK_GRAY
p.space_after = Pt(12)
# Footnote
if footnote:
foot_box = slide.shapes.add_textbox(
Inches(0.5), Inches(6.8), Inches(12.333), Inches(0.5)
)
tf = foot_box.text_frame
p = tf.paragraphs[0]
p.text = footnote
p.font.size = Pt(14)
p.font.italic = True
p.font.color.rgb = LIGHT_GRAY
return slide
def add_quote_slide(quote, attribution=""):
"""Add a quote slide"""
slide_layout = prs.slide_layouts[6] # Blank
slide = prs.slides.add_slide(slide_layout)
# Quote marks background (subtle)
quote_box = slide.shapes.add_textbox(
Inches(1), Inches(2), Inches(11.333), Inches(3)
)
tf = quote_box.text_frame
tf.word_wrap = True
p = tf.paragraphs[0]
p.text = f'"{quote}"'
p.font.size = Pt(32)
p.font.italic = True
p.font.color.rgb = DARK_BLUE
p.alignment = PP_ALIGN.CENTER
# Attribution
if attribution:
attr_box = slide.shapes.add_textbox(
Inches(1), Inches(5.2), Inches(11.333), Inches(0.8)
)
tf = attr_box.text_frame
p = tf.paragraphs[0]
p.text = f"— {attribution}"
p.font.size = Pt(24)
p.font.color.rgb = DARK_GRAY
p.alignment = PP_ALIGN.CENTER
return slide
def add_stat_slide(big_number, description, context=""):
"""Add a big statistic slide"""
slide_layout = prs.slide_layouts[6] # Blank
slide = prs.slides.add_slide(slide_layout)
# Big number
num_box = slide.shapes.add_textbox(
Inches(0.5), Inches(1.5), Inches(12.333), Inches(2.5)
)
tf = num_box.text_frame
p = tf.paragraphs[0]
p.text = big_number
p.font.size = Pt(120)
p.font.bold = True
p.font.color.rgb = ACCENT_BLUE
p.alignment = PP_ALIGN.CENTER
# Description
desc_box = slide.shapes.add_textbox(
Inches(0.5), Inches(4), Inches(12.333), Inches(1)
)
tf = desc_box.text_frame
p = tf.paragraphs[0]
p.text = description
p.font.size = Pt(36)
p.font.color.rgb = DARK_BLUE
p.alignment = PP_ALIGN.CENTER
# Context
if context:
ctx_box = slide.shapes.add_textbox(
Inches(1), Inches(5.2), Inches(11.333), Inches(1.5)
)
tf = ctx_box.text_frame
tf.word_wrap = True
p = tf.paragraphs[0]
p.text = context
p.font.size = Pt(20)
p.font.color.rgb = DARK_GRAY
p.alignment = PP_ALIGN.CENTER
return slide
def add_two_column_slide(title, left_title, left_bullets, right_title, right_bullets):
"""Add a two-column comparison slide"""
slide_layout = prs.slide_layouts[6] # Blank
slide = prs.slides.add_slide(slide_layout)
# Title
title_box = slide.shapes.add_textbox(
Inches(0.5), Inches(0.3), Inches(12.333), Inches(1)
)
tf = title_box.text_frame
p = tf.paragraphs[0]
p.text = title
p.font.size = Pt(36)
p.font.bold = True
p.font.color.rgb = DARK_BLUE
# Underline
line = slide.shapes.add_shape(
MSO_SHAPE.RECTANGLE, Inches(0.5), Inches(1.1), Inches(12.333), Inches(0.03)
)
line.fill.solid()
line.fill.fore_color.rgb = ACCENT_BLUE
line.line.fill.background()
# Left column title
left_title_box = slide.shapes.add_textbox(
Inches(0.5), Inches(1.4), Inches(5.9), Inches(0.6)
)
tf = left_title_box.text_frame
p = tf.paragraphs[0]
p.text = left_title
p.font.size = Pt(24)
p.font.bold = True
p.font.color.rgb = ACCENT_BLUE
# Left column bullets
left_box = slide.shapes.add_textbox(
Inches(0.5), Inches(2), Inches(5.9), Inches(4.5)
)
tf = left_box.text_frame
tf.word_wrap = True
for i, bullet in enumerate(left_bullets):
if i == 0:
p = tf.paragraphs[0]
else:
p = tf.add_paragraph()
p.text = "• " + bullet
p.font.size = Pt(20)
p.font.color.rgb = DARK_GRAY
p.space_after = Pt(8)
# Right column title
right_title_box = slide.shapes.add_textbox(
Inches(6.9), Inches(1.4), Inches(5.9), Inches(0.6)
)
tf = right_title_box.text_frame
p = tf.paragraphs[0]
p.text = right_title
p.font.size = Pt(24)
p.font.bold = True
p.font.color.rgb = ACCENT_BLUE
# Right column bullets
right_box = slide.shapes.add_textbox(
Inches(6.9), Inches(2), Inches(5.9), Inches(4.5)
)
tf = right_box.text_frame
tf.word_wrap = True
for i, bullet in enumerate(right_bullets):
if i == 0:
p = tf.paragraphs[0]
else:
p = tf.add_paragraph()
p.text = "• " + bullet
p.font.size = Pt(20)
p.font.color.rgb = DARK_GRAY
p.space_after = Pt(8)
return slide
def add_timeline_slide(title, events):
"""Add a timeline slide with year-event pairs"""
slide_layout = prs.slide_layouts[6] # Blank
slide = prs.slides.add_slide(slide_layout)
# Title
title_box = slide.shapes.add_textbox(
Inches(0.5), Inches(0.3), Inches(12.333), Inches(1)
)
tf = title_box.text_frame
p = tf.paragraphs[0]
p.text = title
p.font.size = Pt(36)
p.font.bold = True
p.font.color.rgb = DARK_BLUE
# Events
y_pos = 1.3
for year, event in events:
# Year
year_box = slide.shapes.add_textbox(
Inches(0.5), Inches(y_pos), Inches(1.5), Inches(0.5)
)
tf = year_box.text_frame
p = tf.paragraphs[0]
p.text = str(year)
p.font.size = Pt(22)
p.font.bold = True
p.font.color.rgb = ACCENT_BLUE
# Event
event_box = slide.shapes.add_textbox(
Inches(2.2), Inches(y_pos), Inches(10.5), Inches(0.5)
)
tf = event_box.text_frame
p = tf.paragraphs[0]
p.text = event
p.font.size = Pt(20)
p.font.color.rgb = DARK_GRAY
y_pos += 0.6
return slide
# ============================================================
# BUILD THE PRESENTATION
# ============================================================
# SLIDE 1: Title
add_title_slide(
"Every Test Has a Story",
"How Tragedy, Data, and Engineering Created Modern Crash Testing",
)
# SLIDE 2: The Pattern
add_content_slide(
"The Pattern",
[
"Every crash test exists because people were dying in a specific way",
"The pattern is always the same:",
" - TRAGEDY: People die in a specific way we don't understand",
" - INVESTIGATION: Researchers ask 'why?'",
" - DATA: Testing reveals the mechanism",
" - STANDARD: A test is created to measure it",
" - ENGINEERING: Manufacturers design to pass",
" - LIVES SAVED: The specific death mode decreases",
"Then a new tragedy emerges... and the cycle repeats",
],
)
# SLIDE 3: The Big Number
add_stat_slide(
"77%",
"Reduction in traffic fatality rate since 1970",
"1970: 4.74 deaths per 100M miles → Today: 1.10 deaths per 100M miles\n117,000 lives saved annually compared to 1970 rates",
)
# SECTION: Chapter 1 - Frontal Impact
add_section_slide("Chapter 1: Frontal Impact", "The crash everyone thinks about")
# SLIDE: The Dark Age
add_content_slide(
"Before 1968: The Dark Age",
[
"No federal safety requirements existed",
"Seatbelts were optional accessories",
"Dashboards were solid steel and chrome",
"Steering columns were rigid metal shafts pointed at driver's chest",
"Over 1 MILLION people were killed by steering columns alone",
"Industry position: 'Crashes are caused by bad drivers, not bad cars'",
"The problem? No one had data to prove otherwise",
],
"Fun fact: In 1937, death rate was 14.00 per 100M VMT — nearly 13x today's rate",
)
# SLIDE: FMVSS 208
add_content_slide(
"FMVSS 208: Where It All Began (1968)",
[
"First Federal Motor Vehicle Safety Standard for occupant protection",
"Initially required only seatbelt anchorages",
"30 mph frontal barrier test added later",
"This one standard drove development of:",
" - Modern seatbelt systems",
" - Frontal airbags",
" - Advanced restraint systems",
"But the road to airbags was not smooth...",
],
)
# SLIDE: Airbag Wars Timeline
add_timeline_slide(
"The Airbag Wars: 28 Years of Fighting",
[
("1970", "NHTSA proposes airbag requirement"),
("1972", "GM offers airbags on Oldsmobiles — few buyers"),
("1976", "Industry lobbying delays requirement"),
("1977", "Joan Claybrook pushes airbag mandate"),
("1981", "Reagan administration RESCINDS mandate"),
("1983", "Supreme Court rules rescission was arbitrary"),
("1984", "Compromise: 'automatic restraint' required"),
("1998", "FINALLY: Frontal airbags mandatory — 28 years later"),
],
)
# SLIDE: Airbag Crisis
add_content_slide(
"The Depowering Crisis (1990s)",
[
"Early airbags were designed for unbelted adult males",
"Deployed with maximum force in all crashes",
"1990: First airbag fatality — a child in front seat",
"1997: 53 deaths from airbag deployment (peak year)",
" - Victims: mostly children and small women sitting close to airbag",
"The fix (1998-2000):",
" - 'Depowered' airbags with lower inflation force",
" - Weight sensors to detect occupant size",
" - Suppression systems for small occupants",
"Today: <10 airbag deaths/year vs. ~2,800 lives saved/year",
],
"The data showed the problem. Better data gave us the fix.",
)
# SLIDE: NCAP Introduction
add_content_slide(
"NHTSA NCAP: Consumer Power (1979)",
[
"Joan Claybrook's innovation: Test ABOVE the minimum standard",
"35 mph instead of 30 mph — more demanding",
"Publish results as star ratings — let consumers decide",
"Industry reaction: 'Unfair! Misleading! Will confuse consumers!'",
"What actually happened:",
" - '5-star safety rating' became marketing gold",
" - Manufacturers competed for top ratings",
" - Model for Euro NCAP, IIHS, and programs worldwide",
"Public data created accountability",
],
)
# SLIDE: IIHS Moderate Overlap
add_content_slide(
"IIHS Moderate Overlap (1995)",
[
"The problem with full frontal: Only 25% of real crashes are 'full frontal'",
"Most crashes are offset — hitting at an angle or with one side",
"European research showed offset crashes were MORE deadly",
"IIHS innovation: 40% overlap into deformable barrier at 40 mph",
"Tests structural engagement on ONE side only",
"Early results shocked the industry:",
" - Some '5-star' NCAP vehicles performed poorly",
" - A-pillars folded, footwells crushed",
"Manufacturers redesigned front structures",
],
)
# SLIDE: Small Overlap Introduction
add_stat_slide(
"25%",
"The width that changed everything",
"In 2012, IIHS introduced the small overlap test: only 25% of the vehicle hits a rigid barrier",
)
# SLIDE: Small Overlap Results
add_two_column_slide(
"Small Overlap Test (2012): The Shock",
"What Failed",
[
"BMW 3 Series — MARGINAL",
"Mercedes C-Class — MARGINAL",
"Audi A4 — MARGINAL",
"Lexus IS — MARGINAL",
"Lexus ES — MARGINAL",
"Lincoln MKZ — POOR",
"Buick Regal — POOR",
"Volkswagen CC — POOR",
],
"What Passed",
[
"Acura TL — GOOD",
"Volvo S60 — GOOD",
"Infiniti G — ACCEPTABLE",
"",
"These were luxury vehicles that",
"earned top marks in every other test.",
"",
"The small overlap exposed a",
"critical structural blind spot.",
],
)
# SLIDE: Small Overlap Response
add_content_slide(
"The Industry Response",
[
"Initial reaction: 'The test isn't realistic!'",
"Then: Rapid engineering response",
"What had to change:",
" - Structural members added outboard of frame rails",
" - A-pillar connection reinforced",
" - Firewall 'blocking' structures added",
" - Footwell intrusion resistance improved",
"Timeline:",
" - 2012: Most vehicles Poor or Marginal",
" - 2014: Mixed results — some improve",
" - 2016: Most new designs earn Good",
" - 2017: IIHS adds PASSENGER side test (prevent asymmetric gaming)",
],
"Five years. From widespread failure to widespread success.",
)
# SECTION: Chapter 2 - Side Impact
add_section_slide("Chapter 2: Side Impact", "The door that wasn't a barrier")
# SLIDE: Side Impact Stats
add_two_column_slide(
"Side Impact: The Neglected Crash",
"The Statistics",
[
"25% of all crashes",
"30% of all fatalities",
"More deadly PER CRASH than frontal",
"",
"Why so deadly?",
"• Minimal crush space",
"• No crumple zone",
"• Direct loading to torso and head",
],
"The History of Neglect",
[
"1968: FMVSS 208 (frontal) — nothing for side",
"1979: NCAP ratings (frontal) — nothing for side",
"1990: First dynamic side test (FMVSS 214)",
"2003: IIHS side test",
"",
"Side got serious attention",
"25 YEARS after frontal.",
],
)
# SLIDE: Side Airbag Revolution
add_timeline_slide(
"The Side Airbag Revolution",
[
("Pre-1995", "Nothing between your ribs and the door"),
("1995", "Volvo introduces first side torso airbag"),
("1998", "First side curtain airbags (head protection)"),
("2003", "IIHS side test launched — accelerates adoption"),
("2007", "FMVSS 214 pole test requires head protection"),
("2010", "Side curtain airbags standard on most vehicles"),
("2021", "IIHS updates side test: heavier, taller, faster barrier"),
],
)
# SLIDE: 2021 Side Update
add_content_slide(
"IIHS Side Test Update (2021)",
[
"The vehicle fleet changed — tests must change too",
"SUVs and trucks now dominate sales",
"Old barrier simulated an average car",
"New barrier simulates modern SUV/truck:",
" - Weight: 4,200 lbs (was 3,300 lbs)",
" - Speed: 37 mph (was 31 mph)",
" - Profile: Taller to match SUV front ends",
"Results: Many 'Good' vehicles dropped to lower ratings",
"Manufacturers redesigning structures AGAIN",
],
"The test evolved because the threat evolved.",
)
# SECTION: Chapter 3 - Rollover & Roof
add_section_slide("Chapter 3: Rollover & Roof", "When the sky falls")
# SLIDE: Rollover Stats
add_stat_slide(
"3% → 30%",
"Rollovers: 3% of crashes, but 30% of fatalities",
"Ejection in rollover is 77% fatal • SUVs had higher rollover rates due to high center of gravity",
)
# SLIDE: Roof Strength
add_two_column_slide(
"Roof Crush Resistance (FMVSS 216)",
"The Original Standard (1973)",
[
"Static test: plate pressed onto roof",
"Required: 1.5× vehicle weight",
"Only ONE side tested",
"This standard was unchanged for 36 YEARS",
"",
"Advocates argued for decades:",
"• 1.5× is far too weak",
"• Roofs collapse in survivable crashes",
"• Should be 4× or higher",
],
"The 2009 Upgrade",
[
"Standard DOUBLED to 3× vehicle weight",
"BOTH sides must be tested",
"",
"What changed in vehicles:",
"• Stronger B-pillars",
"• Reinforced roof rails",
"• Ultra-high-strength steel",
"",
"IIHS pushed further: 4× for 'Good' rating",
"Many vehicles now achieve 5-6×",
],
)
# SLIDE: ESC
add_content_slide(
"The Other Solution: Electronic Stability Control",
[
"Roof strength protects IN rollovers",
"ESC PREVENTS rollovers from happening",
"How it works:",
" - Detects loss of control (compares steering input to actual direction)",
" - Applies individual brakes to correct",
" - Acts in milliseconds — faster than human reaction",
"Effectiveness: 75% reduction in fatal single-vehicle rollovers",
"Required by FMVSS 126 (2012)",
"Combined with side curtain airbags = dramatically fewer rollover deaths",
],
"You prevent the rollover with ESC. If one happens anyway, the strong roof protects you.",
)
# SECTION: Chapter 4 - Hidden Killers
add_section_slide("Chapter 4: Fire & Whiplash", "The hidden killers")
# SLIDE: Ford Pinto
add_content_slide(
"FMVSS 301: The Ford Pinto Scandal",
[
"Post-crash fires were killing people in survivable crashes",
"Pinto's rear-mounted fuel tank could rupture in rear impacts",
"The infamous internal memo (1973):",
" - Fix cost: $11/car × 12.5 million cars = $137 million",
" - 'Acceptable' deaths: 180 × $200,000 = $36 million",
" - FORD CHOSE NOT TO FIX THE DESIGN",
"The reckoning:",
" - 1977: Mother Jones exposé 'Pinto Madness'",
" - 1978: Recall of 1.5 million Pintos",
" - 1978: First criminal prosecution of an automaker",
" - FMVSS 301 strengthened in direct response",
],
"Estimated 27-180 deaths from this single design decision",
)
# SLIDE: Whiplash
add_content_slide(
"IIHS Head Restraints: The Whiplash Epidemic",
[
"Over 1 MILLION whiplash injuries per year in US",
"Most occur in low-speed rear impacts",
"Chronic pain can persist for years",
"The problem with early head restraints:",
" - Set too low (didn't support head)",
" - Too far back (head snapped backward before contact)",
" - Often adjusted incorrectly or removed",
"Swedish innovation: 'Active' head restraints",
" - Move up and forward during crash",
" - Engage head earlier, reduce relative motion",
"IIHS dynamic test (2004): BioRID II dummy, rewards active systems",
],
)
# SECTION: Chapter 5 - Active Safety
add_section_slide(
"Chapter 5: Active Safety", "From surviving crashes to preventing them"
)
# SLIDE: The Shift
add_two_column_slide(
"The Philosophy Shift",
"The Old Model (Passive Safety)",
[
"Assume crash WILL happen",
"Focus on protection DURING crash",
"• Seatbelts",
"• Airbags",
"• Structure",
"",
"After 50 years, we've gotten very good",
"at protecting people in crashes",
],
"The New Model (Active Safety)",
[
"Try to PREVENT the crash",
"Warn driver, brake automatically",
"• AEB (Autonomous Emergency Braking)",
"• ESC (Electronic Stability Control)",
"• Lane Keeping",
"• Blind Spot Monitoring",
"",
"If crash unavoidable, passive kicks in",
],
)
# SLIDE: AEB
add_content_slide(
"IIHS Front Crash Prevention (2013)",
[
"Tests Autonomous Emergency Braking (AEB) systems",
"Vehicle approaches stationary target at 12 mph and 25 mph",
"Measures: Does it warn? Does it brake? How much speed reduction?",
"Ratings: Superior / Advanced / Basic",
"The 2016 Industry Agreement:",
" - 20 automakers voluntarily committed to make AEB standard",
" - No government mandate required",
" - Achieved by 2022",
"The fastest safety technology adoption in history",
"AEB reduces rear-end crashes by 50%+",
],
"94% of crashes involve human error. AEB reacts in milliseconds.",
)
# SLIDE: Pedestrians
add_content_slide(
"The Pedestrian Crisis",
[
"While occupant deaths have FALLEN, pedestrian deaths are RISING",
" - 2009: 4,109 pedestrian deaths",
" - 2022: 7,500+ pedestrian deaths",
"Why?",
" - Larger vehicles (SUVs, trucks) dominate sales",
" - Higher front ends hit torso/head, not legs",
" - Distracted driving and walking (phones)",
"IIHS Pedestrian AEB testing (2019):",
" - Adult pedestrian target crossing road",
" - Child pedestrian target",
" - Day and night scenarios",
"This is an active area of development",
],
)
# SECTION: Chapter 6 - Pedestrian Protection
add_section_slide("Chapter 6: Pedestrian Protection", "When the car hits you")
# SLIDE: Euro NCAP Pedestrian
add_content_slide(
"Euro NCAP Pedestrian Testing (Since 1997)",
[
"Europe has tested pedestrian protection for 25+ years",
"Test methods use impactors (not full pedestrian dummies):",
" - Headform fired at hood surface",
" - Legform fired at bumper",
" - Measures acceleration, force, bending",
"What it drove:",
" - Active hood hinges (pop up to create crush space)",
" - Energy-absorbing bumper structures",
" - External pedestrian airbags (Volvo)",
"US has NO federal pedestrian crashworthiness standard",
"We test if cars AVOID pedestrians (AEB), not what happens if they don't",
],
"Europe: 25 years ahead. US: Playing catch-up.",
)
# SECTION: Chapter 7 - Sports/Helmets
add_section_slide("Chapter 7: Beyond Automotive", "Same physics, different arena")
# SLIDE: Concussion Crisis
add_content_slide(
"The Concussion Crisis",
[
"2005: Dr. Bennet Omalu publishes first CTE case in NFL player",
"2009: NFL finally acknowledges concussion problem",
"2011: $765 million settlement with former players",
"The science:",
" - Concussion: Brain injury from rapid deceleration",
" - CTE: Degenerative disease from repeated impacts",
" - Even 'subconcussive' impacts accumulate",
"The question: Can better helmets reduce brain injury?",
"Same question we answer in automotive: How do we protect the head?",
],
)
# SLIDE: NOCSAE
add_stat_slide(
"90%",
"Reduction in football fatalities since NOCSAE standards (1973)",
"1960s: 26 deaths/year • 1970s: 15/year • 2010s: 3/year",
)
# SLIDE: Helmet Testing
add_two_column_slide(
"Helmet Testing Methods",
"Drop Tower Test",
[
"Classic certification test",
"Helmet on headform dropped onto anvil",
"Measure head deceleration",
'NOCSAE: 60" drop, SI < 1200',
"Multiple locations tested",
"Hot, cold, wet conditions",
"",
"Simple, repeatable, historical baseline",
],
"Linear Impactor Test",
[
"Newer, more game-realistic",
"Ram fired at helmet at various angles",
"Higher speeds achievable (20+ mph)",
"Measures rotation, not just linear",
"NFL/NFLPA protocol uses both",
"",
"Concussions may be caused more by",
"ROTATION than linear acceleration",
],
)
# SLIDE: Same Physics
add_content_slide(
"The Automotive-Sports Connection",
[
"Same physics, same instrumentation:",
" - What we protect: Head, brain",
" - Mechanism: Deceleration, rotation",
" - Measurement: Accelerometer",
" - Metric: HIC (auto) ≈ SI (helmets)",
"DTS products used in BOTH:",
" - Same accelerometers in crash dummies and helmet headforms",
" - Same data acquisition systems",
" - Same calibration standards",
"Injury thresholds from automotive cadaver research",
"inform helmet certification standards",
"It's the same science. Same data. Different application.",
],
)
# SECTION: Closing
add_section_slide("The Pattern Continues", "What's next?")
# SLIDE: The Cycle
add_content_slide(
"Every Test Exposed What the Previous Tests Missed",
[
"1968: FMVSS 208 (frontal) → but side was neglected",
"1990: FMVSS 214 (side) → but offset crashes were missed",
"1995: IIHS Moderate Overlap → but small overlap was missed",
"2012: IIHS Small Overlap → but passenger side was gamed",
"2017: Small Overlap Passenger → but fleet changed (bigger SUVs)",
"2021: Updated Side Test → gaps remain...",
"What's next?",
" - Rear seat occupant protection",
" - Far-side impacts",
" - Vehicle compatibility (small cars vs. trucks)",
" - EV-specific tests (batteries, mass distribution)",
],
)
# SLIDE: The Data Thread
add_content_slide(
"Every Test Requires Data",
[
"Frontal crash: Head, chest, femur loads — DTS instrumentation",
"Side crash: Pelvis, thorax, head loads — DTS instrumentation",
"Roof crush: Force vs. displacement — DTS load cells",
"Sled tests: Dummy kinematics — DTS systems",
"AEB tests: Vehicle dynamics, timing — expanding market",
"Pedestrian impactors: Headform acceleration — DTS accelerometers",
"Helmet testing: Same accelerometers, same DAQ",
"",
"Test methods evolve. Pass/fail thresholds change.",
"Vehicles change. DATA REQUIREMENTS REMAIN.",
"",
"DTS provides the data that makes every test meaningful.",
],
)
# SLIDE: Quote
add_quote_slide(
"A crashed car is gone forever. The data is what remains.", "Industry saying"
)
# SLIDE: Bottom Line
add_content_slide(
"Why This Matters",
[
"77% reduction in fatality rate since 1970",
"~117,000 lives saved per year compared to 1970 rates",
"Each of those lives was saved by:",
" - A tragedy that revealed a problem",
" - Research that generated data",
" - A test that measured the problem",
" - Engineering that solved it",
" - Data that validated the solution",
"DTS is in the chain at steps 2, 3, and 5.",
"We don't make cars safer directly.",
"We capture the data that lets engineers make cars safer.",
"THE DATA SAVES LIVES.",
],
)
# SLIDE: Q&A
add_title_slide(
"Questions?",
"Every test has a story. Every story started with tragedy.\nEvery tragedy ended when we got the data to understand it.",
)
# Save the presentation
prs.save("Every_Test_Has_a_Story.pptx")
print("Presentation created: Every_Test_Has_a_Story.pptx")
print(f"Total slides: {len(prs.slides)}")