Postato 4 ore fa

child-of-thecosmos:

The Very Large Telescope (VLT) is a telescope operated by the European Southern Observatory on Cerro Paranal in the Atacama Desert of northern Chile. The VLT consists of four individual telescopes, each with a primary mirror 8.2 m across, which are generally used separately but can be used together to achieve very high angular resolution. The four separate optical telescopes are known as Antu, Kueyen, Melipal and Yepun, which are all words for astronomical objects in the Mapuche language. The telescopes form an array which is complemented by four movable Auxiliary Telescopes (ATs) of 1.8 m aperture. (Wikipedia)

Have you ever wondered what’s it like to be inside these telescopes? DeepSkyVideos on YouTube gives us very informative video walkthroughs for all four telescopes: UT-4UT-3UT-1, and UT-2.

(Image and footage credits: ESO VLT Page, SpaceRip)

Postato 2 giorni fa
nilenna:

Humpback Taking Flight | by toryjk

nilenna:

Humpback Taking Flight | by toryjk

(Fonte: trynottodrown)

Postato 2 giorni fa
matthen:

Unrolling these circles gives fills a triangle with base 2 π r and height r (where r is the radius of the filled disk). Such a triangle has area π r2. This does not serve as a complete proof for why this is the area of a circle, but can give you some intuition for why it should be. [code]

matthen:

Unrolling these circles gives fills a triangle with base 2 π r and height r (where r is the radius of the filled disk). Such a triangle has area π r2. This does not serve as a complete proof for why this is the area of a circle, but can give you some intuition for why it should be. [code]

Postato 3 giorni fa

morethanphotography:

Night, full moon, fog and Castle Hohenzollern by DennisHeidrich

Postato 1 settimana fa

brianmichaelbendis:

Bill Sienkiewicz 1992: Wolverine: Inner Fury
Interior colors: Sherilyn Van Valkenburgh

After a five-year absence, Sienkiewicz returned to drawing full-length superhero pages with this Wolverine one-shot. He collaborated on the story with Moby Dick collaborator D.G. Chichester, and the two even incorporate references to the classic book during a dream sequence.

(Fonte: comicartistevolution)

Postato 1 settimana fa
neradentro:

senzanimasenzacuoresenzanome:

…meravigliosa notte di luna piena………


Senzanima


La stessa luna tu ed io 🐼🐻

neradentro:

senzanimasenzacuoresenzanome:

…meravigliosa notte di luna piena………

Senzanima

La stessa luna tu ed io 🐼🐻
Postato 1 settimana fa

sci-universe:

I thought I should post something about my physics studies, sooo this is a practical work I did in a course called Physical Measurements. (I’m showing a fraction of it because it’s the fun part, I assume you don’t want to see the 5 pages of following calculations.) Among other tasks, I had to generate different figures (called Lissajous curves) for relationships between the frequencies of vertical and horizontal sinusoidal inputs by using an oscilloscope (see above). It’s a laboratory instrument which is used to display and analyze the waveform of electronic signals. In effect, the device draws a graph of the instantaneous signal voltage as a function of time. The gifs show what it looked like in practice, and graphs what it looks like in theory.

Postato 2 settimane fa

(Fonte: remiraynes)

Postato 2 settimane fa
Postato 2 settimane fa

Tell Me What You See #007 Mathematical Concepts Part_02

cgduck:

Visualizing sine (red) on the Y axis and cosine (blue) on the X axis. The relative position of the circle is shown in black:

image

This shows the same thing, but a bit more simply:

image

Here’s how sine and cosine apply to triangles:

image

Cosine is the derivative of sine:

image

Tangent…

Postato 2 settimane fa

ughpsh:

Albert Einstein’s Princeton office taken on the day he died. Ralph Morse, 1955

Postato 2 settimane fa
La medicina non è una scienza, ma una pratica basata su scienze e che opera in un mondo di valori […] è dotata di un suo proprio sapere, conoscitivo e valutativo […] e differisce dalle altre tecniche perché il suo oggetto è un soggetto: l’uomo
Giorgio Cosmacini, Il mestiere di medico. Storia di una professione, Raffaello Cortina Editore, Milano 2000. (via anarchaia)
Postato 2 settimane fa
Postato 2 settimane fa
face-thedarkest-days:

chemistry jokes ever get old

face-thedarkest-days:

chemistry jokes ever get old

Postato 2 settimane fa

(Fonte: quevidamastriste)