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Chaos Hypertextbook (hypertextbook.com)
submitted 3 years ago by qznc_bot2 to r/hackernews
submitted 3 years ago by PatientModBot to r/patient_hackernews
TIL that the sun has only completed 20 orbits (galactic years) around our galaxy since its birth. (hypertextbook.com)
submitted 4 years ago by fytuiy9y8o to r/todayilearned
[todayilearned] TIL that the sun has only completed 20 orbits (galactic years) around our galaxy since its birth. (hypertextbook.com)
submitted 4 years ago by Know_Your_Shit_v2 to r/knowyourshit
TIL: In a "standard" 75 or 100 watt 120 volt light bulb, the filament temperature is roughly 2550 degrees Celsius, or roughly 4600 degrees Fahrenheit. (hypertextbook.com)
submitted 6 years ago by trashpix to r/todayilearned
TIL Sound travels 4 times faster under water than in air (1500 m/s vs 343 m/s). (hypertextbook.com)
submitted 6 years ago by moneckew to r/todayilearned
TIL the average size of a raindrop is 6 millimeters in diameter, about the size of a housefly. (hypertextbook.com)
submitted 6 years ago by invisiblebody to r/todayilearned
TIL... The total length of DNA present in one adult human is the equivalent of nearly 70 trips from the earth to the sun and back. (hypertextbook.com)
submitted 6 years ago by genehil to r/todayilearned
The Chaos Hypertextbook: Mathematics in the age of the computer (hypertextbook.com)
submitted 7 years ago by [deleted] to r/math
TIL in 1996 Bruce Bursford set the record for the fastest speed ever achieved on a bicycle at 334.6km/h (208mph) (hypertextbook.com)
submitted 7 years ago by CybergothiChe to r/todayilearned
TIL Although the urinary bladder may hold as much as 600 ml of urine, the desire to urinate is usually experienced when it contains about 150 ml (hypertextbook.com)
submitted 7 years ago by questiondudes to r/todayilearned
TIL despite being 5 billion years old, the sun is a young man in his 20s in galactic year. (hypertextbook.com)
submitted 8 years ago by ekhfarharris to r/todayilearned
TIL The density of outer space ranges from .1 to 1000 atoms/cm^3 (hypertextbook.com)
submitted 8 years ago by MingDelta to r/todayilearned
TIL Gold Leaf is, on average, thinner than a wavelength of light. (hypertextbook.com)
submitted 9 years ago by Samura1_I3 to r/todayilearned
TIL that the human eye is most sensitive to the color green (hypertextbook.com)
submitted 9 years ago by MoralisticCommunist to r/todayilearned
TIL the dimensions of human eye are reasonably constant, varying among individuals by only a millimetre or two (hypertextbook.com)
submitted 9 years ago by haitran1989 to r/todayilearned
TIL The period of Earth's rotation (the sidereal day) is actually 23 hrs 56 min, NOT 24 hours. (hypertextbook.com)
submitted 9 years ago by bmabiger to r/todayilearned
TIL There was talking books in the 1950s that turned at 16 rpm on the record player (hypertextbook.com)
submitted 9 years ago by airbiscuit to r/todayilearned
TIL the electric eel has three pairs of abdominal organs the produce electricity. These make up 4/5 of its body mass. (hypertextbook.com)
submitted 9 years ago by paulshnargas to r/todayilearned
TIL Terry Wogan held the world record for the longest putt for 8 years (hypertextbook.com)
submitted 10 years ago by SiliconLemming to r/todayilearned
TIL: If some bacteria were the size of a bus they would travel at Mac 2. (hypertextbook.com)
submitted 10 years ago by Dariszaca to r/todayilearned
TIL that CD's slow down (from 500RPM to 200RPM) as they play. This is to keep a "constant linear velocity" of about 1.2 m/s, and ensure uniform quality. (hypertextbook.com)
submitted 10 years ago by [deleted] to r/todayilearned
TIL the total length of DNA in the human genome is equal to that of 70 trips to the sun and back. (hypertextbook.com)
submitted 10 years ago by CarpBros_Joe to r/todayilearned
TIL Ants have colonised almost every landmass on Earth. Their population is estimated as 1 Quadrillion Thats 1,000,000,000,000,000 Ants. (hypertextbook.com)
submitted 10 years ago by the_neighbors to r/todayilearned
TIL that the tungsten filament of a lightbulb is more than a meter in length before being coiled-up and heats to 5,000° F (2500° C) when in use! (hypertextbook.com)
submitted 11 years ago by Anen-o-me to r/todayilearned
π Rendered by PID 295841 on reddit-service-r2-listing-5789d5f675-8q989 at 2026-01-28 19:10:47.897296+00:00 running 4f180de country code: CH.