○○○ 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
