Six Facts You Didn’t Know About The Sun

Six facts you didn’t know about the Sun

Six Facts You Didn’t Know About The Sun

With summer on our doorstep, we thought it would be a good time to get to know the star that we so actively seek out at this time of year. The importance of the Sun in relation to the Earth has been recognized from time immemorial, but in recent years we’ve started to harness the Sun’s power, making it work for us by producing energy. Here we have six scientific facts about the Sun that you probably don’t yet know.

A solar hot water heater is over three times as efficient as solar cells (photovoltaic devices).

The Sun can supply all the people of the Earth’s yearly energy needs in one hour.

A solar cell cannot absorb low energy light rays (radiation) but can absorb high energy. To put in perspective, you wouldn’t be able to catch a ball if it were thrown extremely softly at you (it wouldn’t reach you); however, if the ball were thrown with a greater force towards you, you’d be able to catch it. This is the miracle of quantum mechanics.

The Sun can be used for air conditioning to make a house cooler by using a solar chimney.

A new type of solar energy device called a Solar (Power) Tower can trace its roots back to Leonardo da Vinci who envisioned the hot air rushing up a chimney could turn a pig on a spit.

It is possible to run a coal-fired power plant with solar power by using the Sun to make steam.

Image: Solar Flare by skeeze. Public domain via Pixabay.

More Posts from Er-zico and Others

9 years ago

Confirmed: NASA Just Discovered Earth Has A New Moon

Confirmed: NASA Just Discovered Earth Has A New Moon

One of the most amazing discoveries as of late is that NASA has just declared Earth appearing to have a second moon that has been orbiting around our big blue sphere for nearly a century now without our knowledge whatsoever.

Keep reading

9 years ago
Found This On Internet :D I Don’t Know The Original Source.

Found this on internet :D I don’t know the original source.

8 years ago
وجمعة مباركة للجميع
وجمعة مباركة للجميع
وجمعة مباركة للجميع

وجمعة مباركة للجميع

While these may be controversial & provocative, Muslims have no right to be offended by it. What’s offensive is that atheism is punishable with the death penalty in Saudi Arabia & many other Muslim-majority countries both in the middle east & outside of it. Not all Muslim-majority countries have the death penalty, but there are other punishments like prison, lashes, annulment of marriage, loss of child custody & family inheritance, seizure of property, loss of employment, & others.

Even if these laws didn’t exist, atheists still experience oppression from society. Most will not come out to their families for fear of being disowned, kicked out, or even worse, killed. If the apartheid laws weren’t bad enough, you still have to worry about how your family, friends, & neighbours will react to your lack of faith. So these pictures aren’t offensive, they’re resistance against oppression & apartheid. When you oppress a group of people so much & take away their right to live, expect the frustration to be released one way or another, even if it pisses off your oppressors.

While one can try to argue that the death penalty has nothing to do with Islam, the politicians & clerics who advocate the law use Sharia, verses from the Quran, & hadiths to support it. Only a tiny minority of clerics & fiqh experts oppose it, & they are constantly being accused of apostasy themselves.

Thirteen countries punish atheism with the death penalty. These are Afghanistan, Iran, Saudi Arabia, Pakistan, Somalia, United Arab Emirates, Yemen, Qatar, Malaysia, Maldives, Mauritania, Nigeria, & Sudan. All are Muslim-majority & use Sharia to varying degrees, except for Nigeria but the death penalty only applies in certain Muslim-majority states in the north.

Until these laws no longer exist & atheists can finally live, Muslims have no right to be offended by legitimate resistance & our response to oppression.

Testimonies from Saudi atheists I personally know:

“It’s hell. Religion is always pushed down our throats. We’ve worked so hard to get rid of the brainwash we’ve been receiving all our lives just to put on a mask every fucking day in front of people. A socially acceptable mask. It’s like we’re in a zombie apocalypse & we’re disguising as zombies to not have our brains eaten. You MUST agree with them. You MUST wear that mask every fucking day of your life. You start to get less & less chances in life of taking that mask off & relaxing for a bit & the more you wear that mask the more painful it gets because that fucking mask is poisonous. But you wear it anyway because the alternative is getting killed.”

“The first thing I’d start with is how hard it is to live a double life. Religion & the place I’m living in are some of the reasons why I’m suffering from severe depression. Religion haunts me. I’m always having nightmares that I’ve been caught & will face beheading. My life is in danger 24/7.”

“In Saudi Arabia, god is your judge, jury, & executioner. God is not in the sky but on the ground in the form of long bearded men with evil in their eyes. God wanted me dead but now god can’t reach me (thanks to getting asylum). How godly of him.”

“Being an atheist single mother is terrifying. I’m always paranoid someone will find out & take my son away from me because I’m an “unfit mother”. It breaks my heart that I have to lie to him about god & religion because he’s too young to realize how dangerous speaking the truth is.”

“I can’t think of anything that would describe it better than hell. It’s way too risky to say anything.”

“I seriously don’t want to think about this shitty place we live in becuse I’m already depressed as fuck.”

9 years ago
er-zico - Leisure
er-zico - Leisure
9 years ago
er-zico - Leisure

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9 years ago

Curving and bending a ball using the magnus effect is common in every sport. The effect can be reversed though - kick the ball the same way, and it will bend in the opposite direction!  

Thanks to Nicole from @fuckyeahfluiddynamics for explaining the reverse magnus effect in this video! 

Curving And Bending A Ball Using The Magnus Effect Is Common In Every Sport. The Effect Can Be Reversed
Curving And Bending A Ball Using The Magnus Effect Is Common In Every Sport. The Effect Can Be Reversed
8 years ago
Dull And Dirty: Your Workplace Could Affect Brain Function

Dull and dirty: Your workplace could affect brain function

A new study by a Florida State University researcher shows that both a lack of stimulation in the workplace and a dirty working environment can have a long-term cognitive effect on employees.

“Psychologists say that the brain is a muscle, while industrial hygienists point to chemicals in the work environment that may cause decline,” said Joseph Grzywacz, the Norejane Hendrickson Professor of Family and Child Sciences and lead researcher on the study. “There are real things in the workplace that can shape cognitive function: some that you can see or touch, and others you can’t. We showed that both matter to cognitive health in adulthood.”

In the past, researchers had been divided on whether it was working in an unclean workplace — facing exposure to agents such as mold, lead or loud noises — or working in an unstimulating environment that took the biggest toll on brain health as people aged.

This new study is significant because it showed both can play an important role in long-term cognitive well-being.

Grzywacz’s findings are published in the June issue of the Journal of Occupational and Environmental Medicine.

Grzywacz and his team obtained cognitive function data from working adults participating in the Midlife in the United States study. Their results had two major takeaways: One was that greater occupational complexity — that is the learning of new skills and taking on new challenges — resulted in stronger cognitive performance particularly for women as they aged.

The second result was that men and women who had jobs that exposed them to a dirty working environment saw a cognitive decline.

“Both of these issues are important when we think about the long-term health of men and women,” said Grzywacz, who also serves as the chair of the Department of Family and Child Sciences.

Grzywacz and colleagues analyzed the data to examine individuals’ workplaces and their ability to maintain and later use information they learned. They also looked at their executive functioning skills such as their ability to complete tasks, manage time and pay attention. Additionally, the data included responses from participants asking them about any memory issues they were experiencing.

“The practical issue here is cognitive decline associated with aging and the thought of, ‘if you don’t use it, you lose it,’” Grzywacz said. “Designing jobs to ensure that all workers have some decision making ability may protect cognitive function later in life, but it’s also about cleaning up the workplace.”

The data included 4,963 adults ages 32 to 84 from the 48 contiguous states. The sample was 47 percent male and 53 percent female.

8 years ago
PBS NewsHour Has A New Science Video Series called ScienceScope - And Their First Episode Is All About
PBS NewsHour Has A New Science Video Series called ScienceScope - And Their First Episode Is All About
PBS NewsHour Has A New Science Video Series called ScienceScope - And Their First Episode Is All About
PBS NewsHour Has A New Science Video Series called ScienceScope - And Their First Episode Is All About
PBS NewsHour Has A New Science Video Series called ScienceScope - And Their First Episode Is All About

PBS NewsHour has a new science video series called ScienceScope - and their first episode is all about smells!

Scientists, sponsored by the National Science Foundation and the White House Brain Initiative, are trying to understand how smells travel, and how we detect them. They simulate the turbulent wafting of an order with dye in water. The hope is that this research will lead to smell-detecting robots that could replace search dogs. 

Images courtesy of PBS NewsHour/Brian Gill/Nsikan Akpan

8 years ago
Watch: John Cena Continues, “So, Let’s Try This One More Time. Close Your Eyes.” 
Watch: John Cena Continues, “So, Let’s Try This One More Time. Close Your Eyes.” 
Watch: John Cena Continues, “So, Let’s Try This One More Time. Close Your Eyes.” 
Watch: John Cena Continues, “So, Let’s Try This One More Time. Close Your Eyes.” 
Watch: John Cena Continues, “So, Let’s Try This One More Time. Close Your Eyes.” 
Watch: John Cena Continues, “So, Let’s Try This One More Time. Close Your Eyes.” 
Watch: John Cena Continues, “So, Let’s Try This One More Time. Close Your Eyes.” 
Watch: John Cena Continues, “So, Let’s Try This One More Time. Close Your Eyes.” 
Watch: John Cena Continues, “So, Let’s Try This One More Time. Close Your Eyes.” 
Watch: John Cena Continues, “So, Let’s Try This One More Time. Close Your Eyes.” 

Watch: John Cena continues, “So, let’s try this one more time. Close your eyes.” 

9 years ago
Don’t Know The Original Source.

Don’t know the original source.


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er-zico - Leisure
Leisure

Dear Readers,Welcome to my personal blog. I'm Sabyasachi Naik (Zico,24).An Agnostic,deeply NON religious(atheist), and Secular Progressive Civil Engineer . I'm brown and proud to be an Indian tribe. “I want to say a word to the Brahmins: In the name of God, religion, sastras you have duped us. We were the ruling people. Stop this life of cheating us from this year. Give room for rationalism and humanism.” ― Periyar E.V. Ramasamy

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