| The Hoover Dam was built to last 2,000 years - the concrete won't fully harden for 500 years. |
| There is a Photo Blocker Speed camera number plate Spray graphic that hides a license plate from speed cameras. |
| Today's average smartphone has more computing power than the first space shuttle ever produced. |
| One needs to be shorter than 6'3" in order to get a job as an astronaut. |
| As of October 2012, Facebook's population is as large as that of the entire world in 1804. |
| An oldest surviving gun was made in 1288 out of pure bronze, and was discovered at a site in modern-day Acheng District Heilongjian, China. It has a 6.9 inch barrel of a 1 inch diameter, a 2.6 inch chamber for gunpowder and a socket for the firearm's handle. |
| High quality paper is referred to as "cartridge paper" because brass cartridges of gunpowder and a ball were wrapped in paper of high quality paper. |
| The original name of Samsung was 'Samesong'. |
| Only 1 out of every 3 humans on earth uses the Internet. |
| By harnessing a new sphere of science named 'Lovotics', researchers say it is possible to create love between humans and robots. |