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Dec 24 • 4 tweets • 4 min read
54 years ago #Today, one of the most famous images ever taken was snapped from the orbit of the Moon. Now known as "Earthrise", with modern digital technology, the iconic image -- originally in black and white -- has been remastered ow.ly/Hir130n5JpX
“The vast loneliness up here of the Moon is awe inspiring, and it makes you realize just what you have back there on Earth. The Earth from here is a grand oasis to the big vastness of space.” — Apollo 8 astronaut Jim Lovell buff.ly/2EMnMMG #Apollo8 #54YearsAgoToday
54 years ago #Today, Apollo 8 entered the lunar orbit. Humans are in orbit around another world for the first time. This is the third TV live broadcast. A #Christmas gift: human eyes see the Moon up close bit.ly/2ionb8I
«Good night, good luck, a Merry #Christmas and God bless all of you, all of you on the good Earth»

The iconic broadcast from the Moon's orbit held 54 years ago #Today by the crew of #Apollo8

[full video: ow.ly/CSVh30n5U6n]

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More from @Rainmaker1973

Massimo Profile picture
Dec 10
The Large Hadron Collider is the world’s largest, most powerful particle accelerator: in a way it's the world's largest single machine. It consists of a 27-km ring excavated between the lake of Geneva and the Jura mountain range at an average depth of 100 m. Let's see some facts
Each of the 6000-9000 superconducting filaments of niobium-titanium coiled between them to make up the LHC cables is 0.007 mm thick, about 10 times thinner than a normal human hair. If put one after another they would stretch from the Earth to the Sun and back six times
The protons accelerated are obtained from standard hydrogen. Although proton beams are very intense (1.15x10¹¹ protons in a beam size of 3.5 micrometres), only 2 nanograms of hydrogen are accelerated each day. It would take about 1 million years to accelerate 1 gram of hydrogen.
Read 11 tweets
Massimo Profile picture
Nov 23
There's one account that has been systematically copying & pasting my tweets and @gunsnrosesgirl3's ones. In the space of a couple of days, they uploaded a huge proportion of our accounts. We work for free, they use affiliate links to earn money 1/🧵
We all know we don't own any copyright, but we think that such a systematic copy/paste is not fair. We work for free for finding sources, reconstruct the context, explain the science and they just pick the most successful tweets, sometimes using the same words & removing sources
And what's worse, all the work done for free in order to make some order with sources and context, is taken for earning money. It took years for us to reach our respective number of followers, while this account, using this unfair method, made almost 1M followers in 2 months.
Read 4 tweets
Massimo Profile picture
Oct 12
This account has just been blocked for suspicious behavior and unblocked upon providing authentication. The problem is that @TwitterSupport doesn't send an email notification for this and it's not possible to clarify if rules have been violated or it's an hacking attempt
This is not good, an account should have enough transparency to know what are the reason of a block. This happened last year in the same way and no message or notification was ever released. This is quite scary and not helping plan any action.
To work around this, years ago I created a backup account, @Rainmaker1973b, to be used in case of sudden and unexplained suspension, but I really hope this is not the case.
Read 4 tweets
Massimo Profile picture
Oct 1
You may remember this tweet. My sister and I finally had a go for respectively donating and receiving a kidney. My transplant will be in October, either before mid-month or at the end of the month 1/🧵
The very good news is that I won’t need to remove (at least initially) any existing kidney as it was projected until August. This means that, for now, I’ll have one operation and not two and potentially no need to undergo dialysis. A last minute surprise, in other words.
The last 18 months have not always been easy, with a long series of exams and tests and especially the hospitalization in January/February due to a serious bacterial infection and four relapses until July.
Read 7 tweets
Massimo Profile picture
Jun 13
The red eye effect in flash photographs is caused by the flash bouncing off your retina. When you see red eyes, you are literally seeing the back of your eyeballs through your dilated pupils [read more: buff.ly/2CEWkyw]
The main cause of the red color is the ample amount of blood in the choroid which nourishes the back of the eye and is located behind the retina [read more: buff.ly/3aBzPfa]
The amount of red light emerging from the pupil depends on the amount of melanin in the layers behind the retina. The role of melanin in red-eye effect is demonstrated in animals with heterochromia: only the blue eye displays the effect [source: buff.ly/2WBAbdd]
Read 4 tweets
Massimo Profile picture
May 18
42 years ago #Today, Mount St. Helens erupted: the deadliest and most destructive volcanic event in the history of the U.S. [read more: bit.ly/1L0dKzT] [video: buff.ly/3yi2RK7]
A red Ford Pinto with a blue dirt bike before the hell. The story behind one of the most puzzling photos of Mount St Helens' May 1980 eruption, happened 42 years ago #Today ow.ly/2aJK50vujyW
In these two pictures, Mount St. Helens is showed before and after the devastating 1980 eruption, happened 42 years ago #Today ow.ly/D9hG50wpiJN
Read 4 tweets

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