○○○ 0978 ⪢⪢
He returns, seizes Kiev, kills his brother and takes the title of Grand Prince of Kiev.
In the South, the Byzantine Empire
already at war with Bulgarians undergoes an insurrection. The emperor asks Vladimir for help and receives 6,000 warriors.
http://qindex.info/i.php?x=11852
○○○ catch up ⪢⪢
Whether we can oneday know everything, there is to know, we can't yet say. But we
already know more than enough to keep you busy catching up for a while. So let's learn some physics.
http://qindex.info/i.php?x=14975
○○○ aloft ⪢⪢
Though it
already boasts a range of 2,400 miles, the ability to refuel without landing means that the X-47B can theoretically stay aloft for days or even weeks at a time. #bookmark
http://qindex.info/i.php?x=23642
• 1643 - 1727 Isaac Newton
Galileo had
already discovered some years prior that the distance traveled by a falling object is represented by a function of time.
Newton wondered how one could calculate the velocity of the object at any particular instance during the fall.
http://qindex.info/i.php?x=5035
• 03 Rates of Change
Galileo had
already discovered some years prior that the distance traveled by a falling object is represented by a function of time. Newton wondered how one could calculate the velocity of the object at any particular instance during the fall.
http://qindex.info/i.php?x=5034
