Notes & assumptions
- Average orbital height of the International Space Station is estimated at 415 km (258 miles).
- The world’s largest hypostyle hall is the temple of Amon-Re at Karnak in Egypt.
- Sumo wrestler weight is 149 kg (328 lb), calculated as the average of the current three yokozuna (grand champions) — Hakuho, Harumafuji and Kakuryu.
- Emails are assumed to be individually printed on A4 paper (80 g/m2).
- Airliner capacity is based on Boeing 737-800 planes with 189 seats in a single-class layout.
- Thank you to Openclipart for being a great source of SVG images.
Feed Source: W3C Blog
Article Source: 2014 in figures