=== SPEED EXAMPLES ===
 1. The average speed of Kelvin Kiptum's Marathon world record was... 21.0km/h or 13.0mph
 2. The average speed to travel around the Earth in 80 days has to be... 20.9km/h or 13.0mph
 3. The free fall time from Burj Khalifa tower (828m) is... 13.0s
 4. A flight non-stop around the Earth at Mach 1 would take... 33.7h
 5. A car's braking distance from 100km/h on dry asphalt is... 48.2m or 52.7yd
 6. A car's braking distance from 100km/h on wet asphalt is... 64.3m or 70.3yd
 7. The sum of 1m/s + 1km/s + 1km/h + 1Mach + 1kn + 1mph + 1ft/min is... 1.3km/s or 4.0Mach
 8. The min/max/average/sum of an array of speeds is... min=18288.0mm/h max=1.0km/s avg=685.2km/h sum=1.3km/s

    === ASTRONOMY EXAMPLES ===
 1. The travel time of sun light to Earth is... 8.3min
 2. The travel time to Alpha Centauri at 10% the speed of light takes... 43.7y
 3. The attractive force between Sun and Earth is... 35.4ZN
 4. The attractive force between Earth and Moon is... 198.2EN
 5. The impact energy of a 50m asteroid at 50,000km/h is... 15.8PJ or 254.5 Hiroshima bombs
 6. The wavelength of hydrogen (H2) in vacuum is... 21.1cm or 8.3 in
 7. Bigger moons than Earth's moon are... Jupiter's Io (ø=3643.2km), Jupiter's Ganymede (ø=5262.4km), Jupiter's Callisto (ø=4820.6km), Saturn's Titan (ø=5149.5km), 
 8. The min speed required to escape from the planets are... Mercury=0.0mm/h or 0.0 mph, Venus=0.0mm/h or 0.0 mph, Earth=0.0mm/h or 0.0 mph, Mars=0.0mm/h or 0.0 mph, Jupiter=0.2mm/h or 0.0 mph, Saturn=0.1mm/h or 0.0 mph, Uranus=0.1mm/h or 0.0 mph, Neptune=0.1mm/h or 0.0 mph, Pluto=0.0mm/h or 0.0 mph, 
 9. Exoplanets that are life-friendly and quite near are... 'Proxima Cen b' @ Proxima Cen in 1.3pc, 'Proxima Cen b' @ Proxima Cen in 1.3pc, 'Proxima Cen d' @ Proxima Cen in 1.3pc, 
10. The estimated total distance the Earth has travelled is... 137.1Mpc
11. The ballistic max height/range/flight time of a bullet fired 45° on Moon's surface is... 154.1km, 616.5km, 14.5min
12. The sum of the masses of all moons in the solar system is... 639.0Pt or 1408747761318636027904.0 lb
13. The event horizon of our galaxy's black hole (Sagittarius A*) is... 12683881.7km or 42.3 light-seconds (Schwarzschild radius)

    === VARIOUS EXAMPLES ===
 1. The potential energy of a single ounce is: 2.5PJ
 2. The download of 1TB at 100MBit/s takes... 22.2h
 3. The kinetic energy of a mid-size SUV at 30mph is... 204.0kJ or 48.7g TNT
 4. The local gravity at Mount Everest's peak is... 9.8m/s²
 5. Donald Trump's body-mass index (BMI) is... 28.2548
 6. The fuel efficiency of a car driving 400 miles and consuming 15 US gallons is... 10.6l (per 100km)
 7. The frequency and wavelength of the high 'c' music note is...1.0kHz and 32.8cm or 1.1ft
 8. The population density on Earth (people per km² of land area) is... 55.1/km²
 9. How much land area would be available for each person on Earth? 1.8hm²
10. Which radioactive chemical elements melt above 2500K? Technetium at 2703.2K, Rutherfordium at 2673.2K, 
11. An aircraft glide path on final at 10NM distance in 3000ft height is... 0.0493336
12. The windchill temperature of 5°C air temperature at 55km/h wind is... -1.6°C or 29.1°F
13. The surface area and volume of a 30cm x 1cm pizza is... 706.9cm² and 706.9ml
14. The filament length of a 750g PLA roll with 2.85mm diameter is... 94.8m or 103.7yd
15. The surface area and volume of a soccer ball is... 1559.7cm² and 5.8l
16. The lift force of an A380 wing at sea level with 284km/h rotation speed is... 4.5MN
17. The sound intensity of a 1W loudspeaker in 1m distance is... 79.6mW/m² or 109.0dB
18. The max diving time in salt water in 10m depth using a 10l bottle is... 37.0min
19. The sum of 1m + 1km + 1nmi + 1ft + 1in is... 2.9km
20. The sum of 1 byte + 1kB + 1MB + ... + 1QB is... 1.001e+30
21. The radar's geometrical horizon from 30ft height is... 10.8km or 6.7mi
22. The details of a 10m x 1m oak timber log are... 33.0m² area, 7.9m³ volume, 5.6t weight, 84.3GW
23. The min cable wire size for 100m copper, 230V, 30A max are... 10.3mm²
24. The voltage of a capacitor (5V, 0.47µF, 4.7KOhm) after 10ms is... 54.1mV
25. The frequencies and wavelengths of all musical notes are... C0=16.4Hz,21.0m C#0=17.3Hz,19.8m D0=18.4Hz,18.7m D#0=19.4Hz,17.6m E0=20.6Hz,16.6m F0=21.8Hz,15.7m F#0=23.1Hz,14.8m G0=24.5Hz,14.0m G#0=26.0Hz,13.2m A0=27.5Hz,12.5m A#0=29.1Hz,11.8m B0=30.9Hz,11.1m C1=32.7Hz,10.5m C#1=34.6Hz,9.9m D1=36.7Hz,9.3m D#1=38.9Hz,8.8m E1=41.2Hz,8.3m F1=43.6Hz,7.9m F#1=46.2Hz,7.4m G1=49.0Hz,7.0m G#1=51.9Hz,6.6m A1=55.0Hz,6.2m A#1=58.3Hz,5.9m B1=61.7Hz,5.6m C2=65.4Hz,5.2m C#2=69.3Hz,4.9m D2=73.4Hz,4.7m D#2=77.8Hz,4.4m E2=82.4Hz,4.2m F2=87.3Hz,3.9m F#2=92.5Hz,3.7m G2=98.0Hz,3.5m G#2=103.8Hz,3.3m A2=110.0Hz,3.1m A#2=116.5Hz,2.9m B2=123.5Hz,2.8m C3=130.8Hz,2.6m C#3=138.6Hz,2.5m D3=146.8Hz,2.3m D#3=155.6Hz,2.2m E3=164.8Hz,2.1m F3=174.6Hz,2.0m F#3=185.0Hz,1.9m G3=196.0Hz,1.8m G#3=207.7Hz,1.7m A3=220.0Hz,1.6m A#3=233.1Hz,1.5m B3=246.9Hz,1.4m C4=261.6Hz,1.3m C#4=277.2Hz,1.2m D4=293.7Hz,1.2m D#4=311.1Hz,1.1m E4=329.6Hz,1.0m F4=349.2Hz,98.2cm F#4=370.0Hz,92.7cm G4=392.0Hz,87.5cm G#4=415.3Hz,82.6cm A4=440.0Hz,78.0cm A#4=466.2Hz,73.6cm B4=493.9Hz,69.5cm C5=523.2Hz,65.6cm C#5=554.4Hz,61.9cm D5=587.3Hz,58.4cm D#5=622.2Hz,55.1cm E5=659.3Hz,52.0cm F5=698.5Hz,49.1cm F#5=740.0Hz,46.4cm G5=784.0Hz,43.8cm G#5=830.6Hz,41.3cm A5=880.0Hz,39.0cm A#5=932.3Hz,36.8cm B5=987.8Hz,34.7cm C6=1.0kHz,32.8cm C#6=1.1kHz,30.9cm D6=1.2kHz,29.2cm D#6=1.2kHz,27.6cm E6=1.3kHz,26.0cm F6=1.4kHz,24.6cm F#6=1.5kHz,23.2cm G6=1.6kHz,21.9cm G#6=1.7kHz,20.6cm A6=1.8kHz,19.5cm A#6=1.9kHz,18.4cm B6=2.0kHz,17.4cm C7=2.1kHz,16.4cm C#7=2.2kHz,15.5cm D7=2.3kHz,14.6cm D#7=2.5kHz,13.8cm E7=2.6kHz,13.0cm F7=2.8kHz,12.3cm F#7=3.0kHz,11.6cm G7=3.1kHz,10.9cm G#7=3.3kHz,10.3cm A7=3.5kHz,9.7cm A#7=3.7kHz,9.2cm B7=4.0kHz,8.7cm C8=4.2kHz,8.2cm C#8=4.4kHz,7.7cm D8=4.7kHz,7.3cm D#8=5.0kHz,6.9cm E8=5.3kHz,6.5cm F8=5.6kHz,6.1cm F#8=5.9kHz,5.8cm G8=6.3kHz,5.5cm G#8=6.6kHz,5.2cm A8=7.0kHz,4.9cm A#8=7.5kHz,4.6cm B8=7.9kHz,4.3cm C9=8.4kHz,4.1cm C#9=8.9kHz,3.9cm D9=9.4kHz,3.6cm D#9=10.0kHz,3.4cm E9=10.5kHz,3.3cm F9=11.2kHz,3.1cm F#9=11.8kHz,2.9cm G9=12.5kHz,2.7cm G#9=13.3kHz,2.6cm A9=14.1kHz,2.4cm A#9=14.9kHz,2.3cm B9=15.8kHz,2.2cm 
26. The power of a 15PS motorcycle with 200kg weight is... 11.0kW and 18.1kg/kW
27. How many wine bottles are needed for 1 hectoliter? 133.333
28. The AC voltages within a tenth second are... 0.0V, 220.0V, 0.0pV, -220.0V, -0.0pV, 220.0V, -0.1pV, -220.0V, -0.1pV, 220.0V, 0.4pV, -220.0V, -0.8pV, 220.0V, 0.7pV, -220.0V, -0.1pV, 220.0V, -0.5pV, -220.0V, 
29. Applying a perpendicular force of 500N to a 20cm long lever results in... 100.0J of torque
30. The distance between Singapore and Tokyo measures...5311.2km or 3300.2mi
31. The nearest airport neighbours are...Confer's Place Airport and Dick's Strip with only 30.0m in between