Science facts
- Thread starter Riot87
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Some pics from the ISS
Alexander Gerst is a german guy but he tweets in english as well.
Alexander Gerst (Astro_Alex) on Twitter
https://twitter.com/Astro_Alex
Reid Wiseman american guy
https://twitter.com/Astro_Alex
Reid Wiseman (astro_reid) on Twitter
Alexander Gerst is a german guy but he tweets in english as well.
Alexander Gerst (Astro_Alex) on Twitter
https://twitter.com/Astro_Alex
Reid Wiseman american guy
https://twitter.com/Astro_Alex
Reid Wiseman (astro_reid) on Twitter
What are those grids of numbers called? Each column if added results in the same sum...up down across...perhaps diagonally.
He's dead AND alive.
I'd seen grids...perhaps the wrong word for them...but that is what they are. Imagine a Hollywood Squares grid of maybe 25 numbers, five in each direction, 25 total, and the numbers in the boxes must be the same when added together. Someone...I forget who...made one with the date he made it included in the grid of numbers...18/12 or some year in the ago. Maybe they're called grids? Numbers grids? Maybe there isn't a name for them?
16 3 2 13
5 10 11 8
9 6 7 12
4 15 14 1
Albrecht Dürer's magic square...stop that! the numbers above are moving to the right!...and when I posted they align go figure...magic.
called Magic Squares...
Magic square - Wikipedia, the free encyclopedia
5 10 11 8
9 6 7 12
4 15 14 1
Albrecht Dürer's magic square...stop that! the numbers above are moving to the right!...and when I posted they align go figure...magic.
called Magic Squares...
Magic square - Wikipedia, the free encyclopedia
This is why chemistry is cool. Look at all that hydrogen bonding taking place. Surface tension at its best.
How to tell the time using only your hands and the Sun.
Is it time to stop and scrounge for shelter or is it better to keep trekking? Use this simple trick to measure the remaining daylight. Remember to allow yourself at least two hours to set up camp before the sun goes down.
Is it time to stop and scrounge for shelter or is it better to keep trekking? Use this simple trick to measure the remaining daylight. Remember to allow yourself at least two hours to set up camp before the sun goes down.
It is a cocolithophore. Upon dying the CaCO3 (calcium carbonate) shells are compacted forming chalk. It is different from a diatom, but similar, in that they are both phytoplanktonic Protists.
