Table of Contents

1. Strongest geometric figure
2. Geometric figures - bridges
3. High school preparation for engineering
4. Engineering fields and mathematics
5. Future of mechanical engineering
6. Absorbing energy in a crash
7. Braking force of automobiles
8. US fast-breeder policy
9. Fusion energy to power
10. Electricity generation
11. Photovoltaic motors
12. Variable speed motor
13. Space plane
14. Building on the moon
15. Why does the Shuttle turn on launch?
16. Gyroscopes
17. Triangulation
18. Magnets in speakers
19. Speaker impedance
20. Permanent magnet manufacture
21. E/M interference
22. FM modulation
23. Pressure rise in pipe expansion
24. Drag coefficient and Reynolds' Number
25. Boundary layers
26. Cavitation
27. Is it more efficient to turn off fluorescent
28. Uninterruptable power supply
29. Electrical current
30. Refrigerators
31. Golden Gate Bridge
32. Pinhole in thin metal foil
33. Properties of steel
34. Boundary layers and airplanes
35. Airfoil resources
36. Minimum wing length
37. Placement of airplane wings
38. Aerodynamics and saucers
39. Flight navigation
40. Maximum altitude of airplanes
41. Airplane crashes
42. NACA scoops
43. Launching spacecraft
44. Plexiglass box vacuum; Coasting in Space
45. The fastest spacecraft
46. Spacecraft reentry to Earth
47. Hardness of a golf ball versus flight
48. Converting fusion energy to electric power
49. Support beam geometry
50. Structural analysis - materials
51. Building sway
52. Earthquake engineering
53. Weight-bearing structures
54. Toothpick-bridge building
55. Floating bridges
56. Building construction on the Moon
57. Causes of potholes
58. Building a person-carrying kite
59. Hydroelectric power
60. Cost of energy
61. Mining natural resources
62. Sensory deprivation
63. Egg breakability
64. Washing machines: top versus side loaders
65. Greatest of the Seven Wonders of the World
66. Gyroscopes and space navigation
67. Breaking force of automobiles
68. Highway vehicle weight
69. Gasoline in internal combustion engines
70. Horsepower of a 1995 Corvette
71. Horsepower of 4-cylinder engines
72. Possibility of non-polluting engine design
73. Converting engines for fuels: gas to hydrogen
74. Solar steam engine
75. Storing liquid hydrogen and other gasses
76. Material of baseball bats
77. Plasma walls for controlled fusion
78. Properties of quenched steel
79. Residual stress release through cryogenics in metals
80. Metal expansion rates
81. Diesel engine combustion efficiency
82. Fuel oil/Fuel gas burn temperatures
83. Electrical current
84. Speed electricity travels
85. Circuits and electricity
86. Birds on an electrical wire
87. Higher tech wire in the new age of electronics
88. Cryogenics and superconductors
89. Frequency modulation explanation
90. Color television and vision
91. Help me understand generators and alternators
92. Bridge opening and closing
93. Underwater remote sensor
94. Variable speed motor
95. Variable capacitor availability
96. Starting automobiles
97. Things engineers do
98. Becoming an engineer
99. Becoming an aeronautical engineer
100. Becoming a biomedical engineer
101. Becoming a chemical engineer
102. Music/audio engineers
103. Becoming a nuclear engineer
104. Prospects in Nuclear Engineering
105. Best engineering field
106. Pressure Conversion
107. Actions on Automobile Emissions
108. Mechanical Engineering
109. Lightning as a Power Source
110. Steel Processes
111. Hovercraft
112. Diesel Engines
113. Brick Insulation
114. Superconductive Wire
115. Electronic Sensors
116. Rocket Engine Sparks
117. Newton's Laws and Solar Power
118. Plexiglass
119. Sound Testing of Strength
120. Magnetohydrodynamics
121. Heat Pump Efficiency
122. Solar Panel Angles
123. Radio Receiver Materials
124. Plexiglas
125. Efficient Engine
126. AC Induction Motor
127. Speaker Magnets
128. Car Cylinders
129. I Beam Shape
130. Electrical Wiring
131. Friction Engineering
132. Electrical Engineer
133. Video-Phone
134. Horsepower Labels
135. Airceraft Warning Spheres
136. Hydraulics
137. Energy Waves
138. Washboarding
139. Sawdust Machine
140. Material of the Millennium
141. Heat Dissipation
142. Gear Evaluation
143. Special Blower Drive
144. Cavitation
145. Plasma Speakers
146. Alarm Circuits
147. Metal Expansion
148. Piezoelectric
149. Echo Measurements
150. Maglev Site
151. Fiber Optic Cable
152. Airplane Crashing Safety Devices
153. Boiler Safety
154. Triangulation
155. Steel Properties
156. Hydraulics
157. Hydraulics2
158. Ocean Housing
159. Bulletproof Glass
160. Space Shuttle Tires
161. Rear View Mirrors
162. Gas Recovery
163. Light Bulb Filaments
164. Nuclear Engineering
165. Sound Wave Engineering
166. Resistant Steel
167. Magnetic Metals
168. Fusion Reactor Progress
169. Efficient Rocket Nozzles
170. Passive - Active Solar Heating
171. Power Plant Heating
172. Fields of Engineering
173. Biomedical Engineering
174. Mechanical Engineering
175. Helicopter Blades
176. Tank Pressure
177. Wood Properties
178. Engine Terminology
179. Airplane Engine Cooling
180. Holographic Televison
181. Plastic Containers
182. Circuit Type
183. Ozone Generator
184. Compression Principle
185. Coolers by Battery
186. Engine Displacement
187. Helium Tires
188. Carbon Dioxide Generator
189. Electronic Noise
190. Air Bag Gas
191. Acrylic and Expansion
192. Coaxial Cables
193. Viscosity of Non-Newtonian Fluid
194. Thermal Transfer
195. Calculating Displacement
196. Injecting Compressed Air
197. Nuclear Reactor Safety
198. Bridge Expansion
199. Heating Highways
200. Sound Wave Movers
201. Big Tires
202. Trains and Steam Engines
203. Calculating Delivery Efficiencies
204. Light Bulb Pressure
205. Steel and Moulds
206. Heat Dissipation
207. Paper Airplane and Wind
208. Hydraulics
209. Roller Coaster Construction
210. Fuel Pump in Space
211. Buildings and TV Reception
212. Surface Tension Reference
213. Crew Resource Management
214. Current between Contacts
215. Blings
216. Wire and Temperature to Break
217. Safety and Cars
218. Water Attraction
219. Induction Cooling
220. Steel vs Wood Roller Coasters
221. Weld Leak Check and He
222. Valves
223. Rear Wheel Drive Vehicles
224. Cavitation
225. Hologram TV
226. Fusion and Breeder Reactors
227. Cast vs. Pressed Steel
228. Aluminum Cans
229. 220 volts, not 200 volts
230. Torque and Cars
231. Rear Wheel Drive Vehicles
232. Nitrogen and Hydraulics
233. Freon Recovery
234. Aircraft Compasses
235. Strongest Steel Alloys
236. Welding in Space
237. High Performance Aircraft Nose
238. Magnetic Properties of Steel
239. Historical Meter Accuracy
240. Speakers and dB
241. Transformer Marking
242. Sand Particles and Bricks
243. Bridge Supports
244. Sound/Light Display
245. Quake Proof Building
246. Windshield Glass
247. Antireflection
248. Catholics Protection
249. Chlorine and Materials
250. Massing Helium
251. Gauge Pressure of Space
252. Pulleys
253. Gigawatts to Homes
254. Wind Power
255. Welding in Space
256. CuO Conduction
257. Polystyrene Cutter
258. Rubber Building Foundation
259. Electric Trains
260. Polarized Plugs
261. Concrete Type for Bridge
262. Aerosol Can
263. Liquid Density Applications
264. Power Plant Output
265. Rubber Bands and Elasticity
266. Steel Properties
267. Ozone and Combustion
268. Teflon and Skis
269. Brick Testing
270. Altitude and Light Bulbs
271. Energy and Dimmer Switches
272. Dog Whistle and Hearing
273. Lubricants and Friction
274. Molten Steel Containers
275. Commercial Uses of SSS
276. Voltage and Efficiency
277. Raising Lake Depth
278. Sitting on Eggs - No Breaks!
279. Hot Air Balloon Thremodynamics
280. Liquid Nitrogen and Brittle Metal
281. Spider Web Strength Measure
282. Evaporative Loss Formula
283. Aircraft Carrier Runways
284. Glass Sinks
285. Strength of Cypress
286. Recharging Through Plastic
287. Nuclear Efficiency
288. Shaping EM Fields
289. Coal to Electricity Energy Transfer
290. Automobile Displacement
291. Blowing Polystyrene
292. Water and Magnets
293. Nano-Sized Applications
294. Polystyrene Foam, Hydrofoam, and Roofing
295. Chimney Problem
296. Flickering
297. Stove Efficiency
298. Nuclear Efficiency
299. Air Pressure of a Hover Craft
300. Magnetics and Fuels
301. Measuring Water Pressure
302. GPS Operations
303. Blow-Off Valve
304. Radiator Color
305. Solar Power Replacement
306. Equilateral Truss Bridges
307. Roasting Wood for Strength
308. Infra-Red Filter
309. Gage Blocks and Vacuum
310. TV Channel 1
311. Human Oxygen Requirements
312. Auto Engine and Cylinders
313. Hover Craft Shopvac Size
314. Laser Efficiency
315. Refining Oil Made Simple
316. Coldness, Hardness and Breakage
317. Heat Dissipation by Spacecraft
318. Earthquake Proof Building Foundations
319. Liquid Nitrogen and Metals
320. Retention vs Detention Pond
321. Creating Ellipses in Pottery
322. Shape of Hot Air Balloons
323. Light Dimmer Efficiency
324. Rear View Mirrors and Polarization
325. Calibrating Ocular Micrometer
326. Relative Speed and Striking Speed
327. Geodesic and Strength
328. Coffee, Cups, and Microwaves
329. Magnets and Electricity Generation
330. Solar Energy and Spectrum
331. Centrifuge Separation
332. Relative Speed and Striking Speed
333. Carburetor and Oxygen
334. Poloroids and Lenses
335. Water Compression Systems
336. Red Lights in Cockpits
337. Turbo Jet Flame Out
338. Lightweight Concrete Mixture
339. Ringing the Right Number
340. Garden Hose Pressure
341. Electrostatic and Painting
342. Sprinkler Pressure
343. Lifeline Design
344. Surface Area and Thermal Transfer
345. Light Bulb Failure Causes
346. Spring Compression Mechanics
347. Water Expansion Pressure
348. Bullet Lift
349. Heat, not Electric Conductor
350. Cold Metal Shattering
351. Melting Igloos
352. Jumping on the Moon
353. Windshields and Thermal Effects
354. Heat and Rubberbands
355. Air Flow in Rooms
356. Mars Rover Cammand and Control
357. Tire and Asphalt Melting
358. Nanobots
359. Antennae and Wavelength
360. Tire and Asphalt Melting
361. Color and Reading
362. R-Value of Polystyrene Foam Peanuts
363. Striking a Car with Lightning
364. Use of Inhibitors
365. Surface Tension of Cells
366. Pyrex Explosion
367. Radar in a Tunnel
368. Grid Angle for Optimum Solar Interaction
369. Air and Liquid PSI Ratings
370. Superconductor Applications
371. Potential and Electric Heating Efficiency
372. Smog Emissions of Hybrids
373. UV Penetration and Plastic
374. Colored Lights and Output
375. Fluid Dynamics of Dropping Ball
376. Thickness vs Strength of Material
377. Slow Evaporation Rate Refrigerator
378. Dog Whistle
379. Thickness vs Strength of Material
380. Sonar Mapping
381. Fire Fighting Stream Rotation
382. Singing Cold Power Lines
383. Cellar Temperatures
384. TV Lines and VCR
385. Motor Construction
386. Pseudo Solids
387. Erosional Velocity
388. Copper Color and Properties
389. Oil to Gasoline
390. Warfare Plane and Tank
391. Microphone Magnets
392. Polarized Outlets
393. Pipe Diameter Change
394. Image and Spacial Resolution
395. Conics and Paragliders
396. Glass and Metal Adhesion
397. Acoustic Insulation
398. Windmill Field
399. Battery Life and Radio Volume
400. Wood Does Not Melt
401. DOE Report on Solar Panels 2004
402. Next Vehicle Design
403. Hydrogel For Cooling
404. Thermal Stress and Glass
405. Electrical Grounding in Airplanes
406. Cooling of Cooling Fans
407. Plants on Roof Tops
408. Wheel Sizes in Vehicles
409. Paper From Algae Pulp
410. InkJet and Hotter Than The Sun
411. Alloy Information
412. Steam Engine Stack
413. Optical Low Pass Filter
414. Fine Particle Environment Safety
415. Surface Tension and Surfactant
416. Evaporation and Ocean With Oil
417. Transformer Center Tap
418. Radiator Color
419. Electronic Balance Operation
420. Fog, Tyndall Effect, Headlamps
421. Radiator Color
422. SWG
423. Solar Position and Radio Reception
424. Energy Efficient Roof Color
425. Touch and Radio Signal Intensity
426. Decibels, Loudness, and Perception
427. Nitrogen Flow Rates
428. Energy Efficient Roof Color
429. Rear vs Front Wheel Drive in Winter
430. Submarines and Dead Sea
431. XM Radio
432. Shielding Microwave Interference
433. Graphite, Lubricants, Metals
434. Submarine Density
435. Car Wheel Sizes
436. Pushing vs Pulling on Cog Railway
437. 220v Bulb on 110v Circuit
438. Silicone in Microwave
439. Steel Thickness and Magnetism
440. Making Compressed Gas Cylinders
441. Jagged Lines on Flight Canopies
442. Freon Temperature in Refrigeration
443. Electroplating Plastics
444. Friction Amount and Temperature Change
445. Nuclear Tests and Smoke Trails
446. Determining Material Strength
447. Freeze Drying with Dry Ice
448. Decorative Water Substitute
449. Electroplating Plastics
450. Plasma Cutting
452. GMR's
453. Wiring Tunnels for Radio Signals
454. Sound Cancellation Device
455. EM Impulse and Nuclear Explosion
456. Light and Curved Windshields
457. Electric Coil Safety
458. Flight and Harmonic Vibrations
459. Water Expansion After Frozen
460. Light Bulb Installation Temperature
461. Propeller Design
462. Testing Glue Bonding
463. Air Resistance and Shape
464. Heat Shield for Spacecraft
465. Infrared Solar Cells
466. Fluid Flow and Hole Size
467. Non-Periodic Carriers in Radio
468. CRT and Vacuum Tubes
469. Magnetic and Roller Coasters
470. Fluorescent Lights and Efficiency
471. Heat Sink Operation
472. Paper Airplane Weight and Flight
473. Snow, Ice and Electricity
474. Cable Stay vs Suspension Bridges
475. Tires Supporting Cars
476. Car Cylinder Design
477. Galileo Thermometer Operation
478. Water and Friction
479. Underwater Structures
480. Auto Safety Features
481. Laser Burning and Metals
482. Siphon Flow Rate
483. Tunnel Exhaust Extractors
484. Micro-Aerial Vehicle Design
485. Making Scale Models
486. Potential Controlled Variable Capacitor
487. Measuring Radio Radiation
488. Refractive Index in Chemical Engineering
489. Hot Air Balloons and Fire
490. Life Preserver
491. Coal Into Coke
492. Flight of Heavy Airplanes
493. Preventing Mud Slides
494. Bridge Equations
495. Submarines, Pressure, and Crushing
496. Light Bulb Filament Length
497. Current in Voice Coil
498. Safe Approach and High Power
499. Toothpaste Development
500. Jet Engine Nozzles
501. Discharging Capacitors for Disposal
502. Cars, Dimples, and Air Resistance
503. Clay Retaining Wall
504. Pentagram and Structural Strength
505. Water Pipe Size and Flow
506. Cost of Producing Energy
507. Thin Shuttle Design
508. Thermisters and Electron Release
509. Stirling Engine Applications
510. Radio Transmitter Fundamentals
511. Shape of Water Tower
512. Jet Engine Efficiency at High Altitude
513. Corelle Strength Testing
514. Geothermal Home Heating
515. Energy Absorption by Color
516. Light Bulb Filament Length
517. Paint, Acrylic, and Aging
518. Airplane Fuel Tanks
519. Bending Force of Spring
520. Pump Pressure
521. Ceiling Height and Cooling Cost
522. Density Applications
523. Lowering Voltage at Peak Times
524. Hard Disc Magnets and Holders
525. Sub-woofer
526. Determining Strength of Levee
527. Isotopes and Archeology
528. Melting vs Burning
529. Photoelectric Cells
530. Sugar and Fat
531. Sugar and Hyperactivity
532. Rear vs Front Wheel Drive in Winter
533. Gasoline Additive Applications
534. Truss Bridge Limitations
535. Lightning Resistors vs. Corona Effect
536. Scuba Diver Communications
537. Architecture and Engineering Programs
538. Alternator and Battery Charging
539. Levee Construction
540. Law of Continuity, Bernoulli, Contradiction
541. Standing on Paper Cups
542. Soap Powered Boat Mechanics
543. Estimated Operating Cost of Hydrogen Car
544. Water and Particulate Reduction
545. Bottle Shape and Failure
546. Motor Brush Wear
547. Mass vs Displacement Tonnage of Ship
548. Cable Length and Strength
549. Geometric Constant in Air Resistance
550. Structure Preventing Submarine Collapse
551. Bottle Shape and Failure
552. Lighting Piezoelectric Crystals
553. Manufacturing Spheres
554. Wire Conductivity
555. Neon Bulb Operation
556. Photo Cells, Potential, Current, and Temperature
557. Microwaves and Information Transfer
558. Measuring Air Resistance
559. Pressurized Cabins
560. Heat Shield Heating: Friction or Compression
561. Fitch Barriers
562. Measuring Depth Pressure
563. Coin Flipping and Mass Distribution
564. Hand Pump Operation
565. LED's and Light
566. Water Pressure in Closed System
567. Swimming in JP-8
568. Wind Design for Buildings
569. Greatest Helicopter Altitude
570. Solar Panels, Electrolysis, and Feasibility
571. Purifying Water and Media Size
572. Insulating Potatoes
573. Cantilever Applications
574. Multi vs Single Strand Strength
575. Shielding Radio Interference
576. Light Efficiency, Heat, and Wattage
577. Propulsion and Wing Placement
578. Voltage Selection and Application
579. American Canals
580. Bubble Wrap and Thermal Transfer
581. Tying Air Conditioning Tubes
582. Freezer Efficiency and Environment Temperature
583. Center of Buoyancy and Center of Gravity
584. Measuring Volume of Liquid, Gas
585. Water Velocity and Pipe Inclination
586. Heat Shield Heating: Friction or Compression
587. Glass Thickness for Aquarium
588. Efficiency of Fluorescent Lights Revisited
589. Synthetic Engine Oil
590. Oxygen in Engines
591. Transformer Windings (not Wingdings)
592. Freezer Efficiency and Environment Temperature
593. Submarine Propulsion Placement
594. Breaking Raw Eggs
595. Color and Engine Cooling
596. Dew Point of Exhaust Gas
597. Aircraft and Submarine Shape
598. Dragging Tires to "Push Frost"
599. Pressure in Centripetal Apparatus
600. Trebuchet Construction
601. Woven Copper in Magnetic Field
602. Measuring Laser Energy Loss
603. Scaling up Stator Motors
604. Threading of Soda Bottles
605. Wing Span and Flight
606. Light Bulb Color and Temperature
607. Infrared Sensing Technology
608. Measuring Electrical Conductivity
609. Controlling Wind Tunnel Experiments
610. Radioisotope Thermoelectric Generator
611. Fluid Resistance and Relative Motion
612. Stickiness and Friction
613. Propellers
614. Brick Testing
615. Ignition Coil Failure
616. Multimeter AC and DC Misuse
617. Transformer Taps
618. Holes in Plates, Stronger?
619. Manufacturing Polarization Filters
620. Melting Lead and Releasing Forms
621. Shingle Color
622. Air Bag Folding
623. Orifice and Hose Pressure
624. Toothpick Strength
625. Transformers in Series
626. Tube Length and Air Flow
627. Light Bulb Lifetime and Wattage
628. Limits of Helicopter Altitude
629. Roller Coasters and Energy
630. Roller Coasters and Geometry
631. Pressure, Temperature, and Freezing Water
632. Concrete and Rebar
633. Force of Freezing Water
634. Maximum Car Interior Temperature
635. Oil Immersion Lens
636. Speaker Magnets and Age
637. Windmill Turning
638. Sending/Receiving Satellite Frequencies
639. Effects of Wheel Radius
640. Airplane Wheels After Takeoff
641. Finding Optimum Cruising Speed of Car
642. Energy Flow and Voltage Rating
643. Flickering LCD and Florescent Light
644. Hole in Sub-Woofer Cabinet
645. Paper Airplane and Wingspan
646. Drying Shed, White Roof
647. Galvanized Pipe, Steel for Magnetic Core
648. I-Beams
649. Mixing Immiscible Fluid of Same Density
650. Photovoltaic Colors
651. Power Supply Energy Flow Without Appliance
652. Generating Power With a Bicycle
653. Mixing Immiscible Fluid of Same Density
654. Solar Panel Efficiency
655. Water Bridge and Weight
656. Wheel Size and Speed
657. Bridge Rollers
658. Calculating Draft Clearance of Boats
659. Fill and Evaporation Rates
660. Tire Pressure and Traction
661. Water Flow Pressure in Pipe
662. Optimizing a Solar Water Heater
663. Building Bridges
664. Diesel Engine Production Efficiency
665. Calculating Battery Power
666. Phantom Electric Loads
667. Sand Grain Size and Brick Strength
668. Engine Combustion and Oxygen
669. Powder Explosion Risk
670. Light bulb Heat and Light Relationship
671. Falling Objects and Bouncing
672. What is Electrical Noise?
673. Building a Lightning Detector
674. Finding Force of Drag
675. Pump Limits
676. Force Probe Operation
677. Karrick Process Apparatus
678. Energy for Heating Versus Cooling a House
679. Coanda Effect and Pouring Milk
680. Mass of Shuttle and Floating Objects
681. Waveguide Shapes
682. Waveguide Shapes
683. Waveguide Shapes
684. Waveguide Shapes
685. Waveguide Shapes
686. Waveguide Shapes
687. Waveguide Shapes
688. Waveguide Shapes
689. Waveguide Shapes
690. Waveguide Shapes
691. Waveguide Shapes