Tail Recursion

proto-jp:

対数螺旋を転がした場合の定点の軌跡はこんな感じ。意外なことに原点部分は直線を描くようです。
(「数学の概念」を視覚的かつ美しく表現したグラフィックいろいろ - GIGAZINEから)

proto-jp:

対数螺旋を転がした場合の定点の軌跡はこんな感じ。意外なことに原点部分は直線を描くようです。

(「数学の概念」を視覚的かつ美しく表現したグラフィックいろいろ - GIGAZINEから)

(via megazal)

seven8nineblog:

The power of concrete. Brutalism
Marchiondi Spagliardi Institute / Milan _ Italy / 1952VITTORIANO VIGANO’

seven8nineblog:

The power of concrete. Brutalism

Marchiondi Spagliardi Institute / Milan _ Italy / 1952
VITTORIANO VIGANO’

(via grmhrtdesigns)

erfran72:

Misty Echoes by eduardo111 The murky weather we have been having in England has it’s occasional benefits with the chance to capture these misty trees :))

erfran72:

Misty Echoes by eduardo111 The murky weather we have been having in England has it’s occasional benefits with the chance to capture these misty trees :))

erfran72:

Guardians by alainbaumgarten Côte d’Opale
Mars 2014

erfran72:

Guardians by alainbaumgarten Côte d’Opale
Mars 2014

erfran72:

Fog by winfriedwerner This is fog season now in Kiel.

Wish you a monday as happy as a monday can be;)

erfran72:

Fog by winfriedwerner This is fog season now in Kiel.

Wish you a monday as happy as a monday can be;)

erfran72:

… by ivan_off

erfran72:

… by ivan_off

(Source: amphetameans, via heyyoshimi)

handa:

d-Arkroom

Was ist Metaphysik

 [white series]

(Source: darksilenceinsuburbia)

erfran72:

The building textures.. by louisphuang This building is at Kaohsiung, Taiwan.
Took this in the morning…

erfran72:

The building textures.. by louisphuang This building is at Kaohsiung, Taiwan.
Took this in the morning…

lostinpattern:

Is Time Linear? by Philipp Klinger

lostinpattern:

Is Time Linear? by Philipp Klinger

lostinpattern:

Local Colour by Robert Meyer 

lostinpattern:

Local Colour by Robert Meyer