NASA
Nasa: Imagine the Universe: Got Calcium?
This site has an article on, "The Milky Way galaxy doesn't contain any milk, but it sure does have a lot of calcium. There's enough calcium floating between the stars to fortify trillions about trillions of stars."
Society for Science and the Public
Science News for Students: The Hottest Soup in New York
Describes scientific research completed at the highest temperature ever recorded, 4 trillion degrees Celsius. This research could further understanding of the origin of the universe.
TED Talks
Ted: Ted Ed: Why Don't Ants Get Stuck in Traffic?
Last year Americans wasted nearly 1 million collective years staring at each others' tailpipes. But there is another species on earth whose population numbers in the trillions, but who doesn't get stuck in traffic - how? It's Ok to be...
PBS
Pbs News Hour Extra: Afghanistan Contains Treasure Trove of Valuable Minerals
Report confirms that a potential value of nearly $1 trillion in mineral deposits of copper, cobalt, iron, and lithium may be found in the mountain ranges of Afghanistan. However, potential wealth may be a double-edged sword in many...
Center for Educational Technologies
Nasa: Classroom of the Future: Spheres: Hydrosphere
Use this site to learn about the millions and trillions of gallons of water that covers the earth, known as the hydrosphere.
TED Talks
Ted: Ted Ed: What Is the Biggest Single Celled Organism?
The elephant is a creature of epic proportions- and yet, it owes its enormity to more than 1,000 trillion microscopic cells. And on the epically small end of things, there are likely millions of unicellular species, yet there are very...
Khan Academy
Khan Academy: Prayer Wheel
Prayer wheels are an example of Buddhist technology. This technology allowed the faithful to multiply the number of prayers they expressed by millions. This is because prayer wheels are filled with copies of mantras (sacred spells...
Other
Kokogiak Media: The Mega Penny Project
What does one quintillion pennies look like? Would it cover the Earth or Mt. Everest? Use this site to visualize the value of money.
Other
Metrocosm: Mapping the Flow of International Trade
According to the UN, the global market for imported goods is $15.6 trillion as of 2015. Use this unique global map to see how trade flows between countries. Select a country to see imports and exports from that specific country.
Calculator Soup
Calculator Soup: Prime Factorization Calculator
Use this prime numbers calculator to find all prime factors of a given integer number up to 1 trillion. This calculator presents prime factors of a number, prime decomposition in exponential form, CSV (comma separated values) list of...
Curated OER
Pbs Newshour Extra: Afghanistan Contains Treasure Trove of Valuable Minerals
Report confirms that a potential value of nearly $1 trillion in mineral deposits of copper, cobalt, iron, and lithium may be found in the mountain ranges of Afghanistan. However, potential wealth may be a double-edged sword in many...