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science7

@yo117

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science7
@yo117 May 10, 2018, 8:19 PM UTC

The Modernity of Ibn al Haytham (965-1039)- Part2

Ibn al Haytham (Alhazen) is considered the initiator of modern optics and the scientific method. http://images.iop.org/objects/phw/world/24/1/30/oue3.jpg the Eye : By multiple experiments, with camer…

6 upvotes 5 replies $0.01
science7
@yo117 May 10, 2018, 4:01 PM UTC

The Modernity of Ibn al Haytham (965-1039)- Part1

Ibn al Haytham (Alhazen) is considered the initiator of modern optics and the scientific method. The latter is based (1) on reciprocal relation between experiment/observation and theory (expressed he…

2 upvotes 0 replies $0.00
science7
@yo117 May 6, 2018, 8:58 PM UTC

Math challenge N 3 : calculate this integral

A new challenge for people who love math and for intelligent man. we have here a difucult exercise with one solution so I challenge you to solve the exercise with another way without using mapple mat…

3 upvotes 0 replies $0.00
science7
@yo117 May 6, 2018, 3:08 PM UTC

Math Challenge N 2 - Matrix.

Hello everyone, here is my new post. The exercise of today it's about Algebra or to be specifically in lesson of matrix ( Determ ) the exercise take some time to resolve and I take it from a book of…

5 upvotes 0 replies $0.00
science7
@yo117 May 5, 2018, 6:23 PM UTC

Math Challenge N 1 - Calculate integral

Welcome everybody this article is just for students and for the people who are interested about math, So I will publish different posts just like that ( exercises with solutions ) to improve ours ski…

1 upvotes 0 replies $0.00
science7
@yo117 Dec 3, 2017, 6:44 PM UTC

Water - Part 1.

everything waits for rain there is no life without rain no living being can ever survive without water even though some beings do live without air ; some kinds of bacteria can live without air. https…

3 upvotes 2 replies $0.00
science7
@yo117 Sep 27, 2017, 4:21 PM UTC

The origin of the asteroid belt: we may be all wrong!

In the Milky Way , dusty and cold molecular clouds -about ten degrees above the absolute zero -revolve around the central bulb and enter the spiral arms from time to time, where the medium is denser.…

6 upvotes 2 downvotes 3 replies $0.00
science7
@yo117 Sep 4, 2017, 2:32 AM UTC

Science and faith : Plant movements (part 1)

Everything in the universe is in a state of motion, almost everything moves, be it animate or inanimate, but what's the difference between the motions of each category? For example, a straw floats on…

3 upvotes 3 replies $0.00
science7
@yo117 Aug 31, 2017, 7:48 PM UTC

This Russian Artist Carves Old Coins To Give Them New Live...

Hobo nickel is the most common term for the art of carving coins, giving them a new life. In this art, Roman Booteen from Russia is a master. More info: Instagram

1 upvotes 0 replies $0.00
science7
@yo117 Aug 30, 2017, 4:14 PM UTC

What Happens When People Are Bored At Work- Part 2

Office Wars https://static.boredpanda.com/blog/wp-content/uploads/2017/08/599fd9df625c4_2YbDCqJ-png__700.jpg Made An It Throne Today At Work https://static.boredpanda.com/blog/wp-content/uploads/2017…

3 upvotes 2 replies $0.00