What is time & why does it move forward? (The Conversation) (http://theconversation.com/what-is-time-and-why-does-it-move-forward-55065) What is time? (Wikipedia) (https://en.wikipedia.org/wiki/Time) A debate over the physics of time (Quanta Magazine) (https://www.quantamagazine.org/20160719-time-and-cosmology/) Check if the time on your devices matches 'atomic time' anywhere on Earth (Time.is) (https://time.is) Why is a minute divided into 60 seconds, an hour into 60 minutes, yet there are only 24 hours in a day? (Scientific American) (https://www.scientificamerican.com/article/experts-time-division-days-hours-minutes/) A year is the orbital period of the Earth moving in its orbit around the Sun (Wikipedia) (https://en.wikipedia.org/wiki/Year) The period of time during which the Earth completes one rotation with respect to the Sun is called a solar day (Wikipedia) (https://en.wikipedia.org/wiki/Day) Length of a day & a year on Mars (NASA) (http://mars.nasa.gov/allaboutmars/facts/#?c=inspace&s=distance) Timekeeping on Mars (Wikipedia) (https://en.wikipedia.org/wiki/Timekeeping_on_Mars) The 'stardate' system: How they track time on Star Trek (Wikipedia) (https://en.wikipedia.org/wiki/Stardate) How do Star Trek stardates work? (Mental Floss) (http://mentalfloss.com/article/68741/how-do-star-trek-stardates-work) A discussion on how the Federation sets its clocks on Star Trek (StackExchange, SciFi) (http://scifi.stackexchange.com/questions/17575/how-does-the-federation-determine-how-to-set-their-clocks) What is the arrow of time? (Wikipedia) (https://en.wikipedia.org/wiki/Arrow_of_time) Where does our arrow of time come from? (Forbes) (http://www.forbes.com/sites/startswithabang/2016/10/12/where-does-our-arrow-of-time-come-from/#5d5c0c255251) Travelling forwards through time is possible, Einstein said so (Physics.org) (http://www.physics.org/article-questions.asp?id=131) The 'twin paradox' involves identical twins - one travels into space in a high-speed rocket (Sven) & returns home to find that the twin who stayed on Earth has aged more (Geoffrey) (Wikipedia) (https://en.wikipedia.org/wiki/Twin_paradox) Does light experience time? (Phys.org) (http://phys.org/news/2014-05-does-light-experience-time.html) Interstellar (IMDb) (http://www.imdb.com/title/tt0816692/) Neil deGrasse Tyson explains how gravity affects time (YouTube) (https://www.youtube.com/watch?v=BRw6ox3dGcA) Theory claims that time is not the 4th dimension (The Daily Galaxy) (http://www.dailygalaxy.com/my_weblog/2012/04/weekend-feature-space-is-4d-theory-claims-that-time-is-not-the-4th-dimension.html) The 'jiffy': The duration light takes to travel one fermi (10^−15 m, about the size of a nucleon) in a vacuum (Wikipedia) (https://en.wikipedia.org/wiki/Time#List_of_units) The origins of calendars (Wikipedia) (https://en.wikipedia.org/wiki/Calendar) The Gregorian calendar is the international standard, but there are many national calendars in use (Wikipedia) (https://en.wikipedia.org/wiki/Calendar#Calendars_in_use) Is it time to overhaul the calendar? (Scientific American) (https://www.scientificamerican.com/article/is-it-time-to-overhaul/) Proposals for replacement calendars (Wikipedia) (https://en.wikipedia.org/wiki/Calendar_reform#Proposals) Cool animation - 'A new history for humanity': Proposes adding 10,000 years to the date so it's the year 12,017 (Kurzgesagt, YouTube) (https://www.youtube.com/watch?v=czgOWmtGVGs) How do we know what year it is? (Redditt) (https://www.reddit.com/r/NoStupidQuestions/comments/2qyywj/how_do_we_know_what_year_it_is_when_did_people/) Year zero (Wikipedia) (https://en.wikipedia.org/wiki/0_(year)) 'Precision time protocol' is used to synchronise clocks throughout a computer network (Wikipedia) (https://en.wikipedia.org/wiki/Precision_Time_Protocol) 1 January, 1970: When Unix time/Epoch time began for computers (Wikipedia) (https://en.wikipedia.org/wiki/Unix_time) Convert regular time to Epoch time (Epoch Converter) (http://www.epochconverter.com) Set your iPhone's date to January 1, 1970 & you'll kill it (Sydney Morning Herald) (http://www.smh.com.au/digital-life/mobiles/iphone-date-bug-dont-set-your-iphones-date-to-january-1-1970-20160214-gmtzem.html) Remember Y2K? (Time) (http://time.com/3645828/y2k-look-back/) What are the main problems with the Y2K computer crisis & how are people trying to solve them? (Scientific American) (https://www.scientificamerican.com/article/what-are-the-main-problem/) How quartz clocks & watches work (Explain That Stuff!) (http://www.explainthatstuff.com/quartzclockwatch.html) What is quartz? (Geology.com) (http://geology.com/minerals/quartz.shtml) Caesium atomic clocks & the definition of a second (HyperPhysics) (http://hyperphysics.phy-astr.gsu.edu/hbase/acloc.html) How does one arrive at the exact number of cycles of radiation a caesium-133 atom makes in order to define one second? (Scientific American) (https://www.scientificamerican.com/article/how-does-one-arrive-at-th/) Every now and then we have to insert a leap second because the Earth’s rotation is slowing down. Could we speed up Earth’s rotation, so that we do not need leap seconds? (xkcd) (https://what-if.xkcd.com/26/) What is a leap second? (Wikipedia) (https://en.wikipedia.org/wiki/Leap_second) What is a leap year? (Wikipedia) (https://en.wikipedia.org/wiki/Leap_year) Neil deGrasse Tyson explains leap years (YouTube) (https://youtu.be/yd1i3vkkh-0) Measure the tilt of the Earth on the solstice with a stick (Starts With a Bang!) (http://scienceblogs.com/startswithabang/2012/06/19/measure-the-tilt-of-the-earth-on-the-solstice-this-wednesday/) All about the solstice-s (EarthSky) (http://earthsky.org/earth/everything-you-need-to-know-december-solstice) Clock drift: When a clock gradually desynchronises from another clock (Wikipedia) (https://en.wikipedia.org/wiki/Clock_drift) Why do we have different time zones? (Wonderopolis) (http://wonderopolis.org/wonder/why-do-we-have-different-time-zones) Why do we have time zones? (timeanddate.com) (https://www.timeanddate.com/time/time-zones-history.html) China has only one time zone & that's a problem (The Atlantic) (http://www.theatlantic.com/china/archive/2013/11/china-only-has-one-time-zone-and-thats-a-problem/281136/) Convert your time to Beijing time (worldtimebuddy) (http://www.worldtimebuddy.com/china-beijing-to-gmt) Australian times zones - Eucla in WA has its own! (timeanddate.com) (https://www.timeanddate.com/time/australia/time-zones-background.html) Integer overflow: When a number is too large for available storage (Wikipedia) (https://en.wikipedia.org/wiki/Integer_overflow) FAA warning all airlines to reboot Dreamliners regularly (International Business Times) (http://www.ibtimes.co.uk/faa-warning-all-airlines-reboot-dreamliners-regularly-risk-pilots-losing-control-mid-flight-1596060) How to convert between date & Unix/Epoch time in Excel (Extend Office) (https://www.extendoffice.com/documents/excel/2473-excel-timestamp-to-date.html) Gene name errors can be introduced inadvertently when using Excel in bioinformatics (BMC Bioinformatics) (http://bmcbioinformatics.biomedcentral.com/articles/10.1186/1471-2105-5-80) The hidden 'Easter egg' flight simulator in Excel 97 (YouTube) (https://www.youtube.com/watch?v=-gYb5GUs0dM) List of hidden 'Easter eggs' in Microsoft products (Wikipedia) (https://en.wikipedia.org/wiki/List_of_Easter_eggs_in_Microsoft_products) Differences between the 1900 & the 1904 date system in Excel (Microsoft) (https://support.microsoft.com/en-us/kb/214330) Where are you from? Send us a postcard! Strange Attractor, c/ PO Box 9, Fitzroy, VIC 3065, Australia Check out our new Fireside home! Find aaaaall the great episodes & show notes & handy instructions should you feel like leaving us a cheeky iTunes review...go on...we know you want to! (http://strangeattractor.random.productions) Vote for us! Vote for us in the people's choice section of the Castaway Australian Podcast Awards :) (https://thecastawayawards.submittable.com/gallery/fb53f574-b3c9-43c8-8585-83bb919489f4/6982961/)