Friday, August 7, 2020
Building an Extreme Twister CRAZIEST Roller Coasters In The World {4K}
How to build a roller coaster
Advances in technology, design and engineering over the decades have allowed amusement parks to offer ever taller, faster and steeper coasters (with loops and other kinds of inversions as well). These big hills are getting ever more thrilling and frightening -- and that's really the point, isn't it?
Why don't I fall out when a roller coaster goes upside down?
A roller coaster does not have an engine to generate energy. The climb up the first hill is accomplished by a lift or cable that pulls the train up. This builds up a supply of potential energy that will be used to go down the hill as the train is pulled by gravity. Then, all of that stored energy is released as kinetic energy which is what will get the train to go up the next hill. So, as the train travels up and down hills, its motion is constantly shifting between potential and kinetic energy.
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Building an #extreme Twister #CRAZIEST Roller Coasters In The World {4K} #Rollercoaster #CrazyTime #building #gaming #design #ride
https://www.youtube.com/watch?v=QlRVGzTANek&list=PLBrgsoi5rITdudGprAKDP5ktAv7qZSnmA
Saturday, October 15, 2016
Dr. A.P.J (Avul Pakir Jainulabdeen) Abdul Kalam (Bharat Ratna) Life's Pi...
#Dreams are not what you see in #sleep They are the things that do not let you sleep. Dr. #Kalam #WorldStudentsDay https://youtu.be/9LmZBcSbP9k
Former late President and Missile Man of India Dr APJ Abdul Kalam's disarming smile, positive demeanor and modesty were what earned him the title of People's President. Though Dr Kalam is not alive today, his words will continue to inspire people for generations to come.
It was in 2010 when the United Nations decided to mark the importance of India’s former President and great scientist APJ Abdul Kalam and declared his birthday as ‘World Students Day.’ October 15, which is Dr Kalam’s birth anniversary, is celebrated as a day for students all around the world. Even Dr Kalam always expressed his wish to be remembered as a teacher by the people.
Bharat Ratna Avul Pakir Jainulabdeen Abdul Kalam, generally known as Dr APJ Abdul Kalam, was the 11th President of India (2002-2007). By profession he was a scientist and an administrator in India. He worked with Indian Space Research Organization (ISRO) and Defense Research and Development Organization (DRDO) as an aerospace engineer before becoming the President of India.
Dr Kalam achieved outstanding success from humble beginnings. The story of his remarkable life is known to every Indian schoolchild. Given our societal attitudes and lack of access to quality education, it is extremely difficult for Indian children not born to the privileged to fulfil their potential and make a mark in life.
Millions in India saw in Kalam the hope of fulfilling aspirations and achieving eminence in their chosen field. He kept urging young Indians to break out of the shackles of poverty and tradition, to dream big and to work hard to fulfil their aspirations. And he always linked individual aspirations with national greatness. It is this consistent articulation of individual growth with public good that has left an enduring impact on most Indians, particularly students and youth.
Here are some amazing things that made Dr Kalam an extraordinary man. He was born on October 15, 1931. He came from a humble background. He sold newspapers to support his family financially when he was a kid. Known as the Father of Indian Missile Technology, he played a prominent role in India’s 1998 nuclear weapons tests.
He brought dignity to whatever he did. Even politics! Before becoming the President, he worked as an Aerospace Engineer with DRDO and ISRO. He was called the “Missile Man” of India. Dr Kalam was much more than a political figure. He was a scientist, writer, inspirational speaker and motivational figure.
His infectious personality had not just inspired Indians but also people across the globe. Kalam was nominated for Youth Icon of the Year award by MTV in 2003 and 2006. His age was 73 and 76 respectively then. In 1998, he along with cardiologist Dr Soma Raju developed a low-cost coronary stent. It was later named ‘Kalam-Raju Stent’ in their honour. Dr Kalam had received several awards and recognition for his extraordinary contribution to scientific research and modernization of defense technology in India.
When Dr Kalam first moved to Rashtrapati Bhawan, he asked all luxurious rooms to be locked up as he didn’t want to use them. He was a great inspiration to many, especially kids, and always inspired them to dream big and achieve great goals in life. Kalam wrote 15 books in total, out of which the most read and widely published works of his writings are Wings of Fire, Ignited Minds and Vision 2020. He was also a Veena exponent. He loved students and died doing what he loved the most: spending time with students and being among them.
Thus he spake
The missing place of Dr Kalam can never be filled but his inspiring words will forever be with us and inspire us to do more. From bunking classes to his take on failure, here are some quotes from him to live your life by.
On memories
Sometimes it's better to bunk a class and enjoy with friends, because today when I look back, marks never make me laugh, memories do.
On hard work
If you want to shine like a sun, first burns like a sun.
On equal opportunity
All of us do not have equal talent, but all of us have equal opportunity to develop our talent.
On failure
Don't read success stories, you will only get a message. Read stories of failure and you will get ideas to succeed. If you fail, never give up because F.A.I.L means “First Attempt in Learning”.
On habits
You cannot change your future, but you can surely change your habits. And surely, your habits can change your future.
On work ethic
If you salute your work, you don't have to salute anybody. But if you pollute your work, you will have to salute everybody.
On dreams
Dreams are not what you see in sleep. They are the things that do not let you sleep.
Friday, October 14, 2016
Eiffel Tower Amazing Structure Close-Up Video HD-View Paris
#EiffelTower #Amazing #Structure #Close-Up Video HD-View @Paris https://youtu.be/9Rmp9ESsVjg via @YouTube
Monday, June 20, 2016
How to Properly Jump Start a Car Complete Step by Step details
How to Jumpstart a Car
Step-by-Step Guide[edit]
- Clamp one cable to the positive (+) terminal of the dead battery. Don't let the positive cable touch anything metal other than the battery terminals.
- Connect the other end of the positive cable to the positive terminal of the good battery.
- Connect one end of the negative (-) cable to the negative terminal of the good battery.
- Connect the other end of the negative cable to metal on the engine block on the car with the dead battery. Don't connect it to the dead battery, carburetor, fuel lines or moving parts.
- Stand back and start the car with the good battery.
- Start the stalled car.
- Remove the cables in reverse order.
Take out your jumper cables.
It's a good idea to buy a set of jumper cables and keep them in the trunk compartment. If you don't have jumper cables, you have to find a good Samaritan who not only is willing to assist you but who has jumper cables as well.
Place both vehicles in Park or Neutral and shut off the ignition in both cars.
Engage both parking brakes as well.
Attach one of the red clips to the positive terminal of your battery.
It has "POS" or "+" on it, or it's bigger than the negative terminal.
Attach the other red clip to the positive terminal of the other car.
Attach one of the black clips to the negative terminal on the other battery.
Attach the last black clip to an unpainted metal surface on your car that isn't near the battery.
Use one of the metal struts that holds the hood open.
The cables should look like this.
Make sure to connect jumper cables in the proper order.
Start the working vehicle and let the engine run for a few minutes.
Try to start your vehicle.
If it won't start, make sure that the cables are properly connected and have the good Samaritan run his or her engine for five minutes. Then try to start your car again. If it still won't start, your battery may be beyond help.
- fuses
- battery corrosion
- faulty alternator
- ignition switch
- starter connection
How to #Properly #JumpStart a #Car Complete Step by Step details https://youtu.be/I-CKkALRkoY?list=PLBrgsoi5rITc4Gm0JUaiLsZfenyobYJzd via @YouTube
Tuesday, June 7, 2016
Tuesday, May 24, 2016
Twitter is making important changes to its 140-character limit, and ditching the terrible ‘.@mention’ feature
It’s true: Twitter is making changes to its 140-character limit, and links to media and @replies will no longer count against the cap. That pesky .@mention is also a thing of the past.
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It’s important to distinguish straight away that @replies will no longer count toward your 140-character limit. An initial tweet with @mentions still does.
Twitter hopes this will help people engage more, and have more meaningful dialogue. In chains with several people mentioned, replies get increasingly shorter until the discussion dies off.
On Tuesday morning, Twitter made a major announcement via blog post— running 2,465 characters long according to WordCounter.net — that it will soon loosen its 140-character limit somewhat to make it easier for users by changing what counts against the character limit.
“When replying to a Tweet, @names will no longer count toward the 140-character count,” the microblogging service explained. The same will be true of media attachments in tweets like “photos, GIFs, videos, polls, or Quote Tweets.”
Additionally, perhaps the most confusing and misused convention of the Twittersphere will soon be a thing of the past.
“New Tweets that begin with a username will reach all your followers,” Twitter explained, adding, “(That means you’ll no longer have to use the “.@” convention, which people currently use to broadcast Tweets broadly.) If you want a reply to be seen by all your followers, you will be able to Retweet it to signal that you intend for it to be viewed more broadly.”
Reaction on Twitter was mixed.
“Twitter didn’t change anything for way too long. These changes are much needed and great news,” cheered Chris Cillizza of The Washington Post
Twitter is making a series of changes that will affect how people tweet, how much they can fit in a tweet, and who will see it when they do. The company announced the moves in a blog post Tuesday morning and said it will roll them out over the coming weeks and months.
WILL OREMUS
First, as some had anticipated, media attachments such as photos and videos will no longer count against the 140-character limit for a tweet. Allowing people to add images for free (so to speak) should encourage the continuation of a trend that has turned Twitter from a text-heavy platform to one nearly as visual as rival social media services such as Facebook, Instagram, and Snapchat. It’s growing increasingly rare to see a tweet that’s text-only, and this will make it rarer still.
However, contrary to the Bloomberg report that predicted this change, links to articles or other web pages will still count against the 140-character limit, just as they do today.
The second change is that replies to another Twitter user will no longer begin with that user's Twitter handle. As a result, the handles of the people you're replying to will no longer count against the 140-character limit, either. Instead, Twitter will indicate in small text above the tweet that it is a reply and will note the name of the person you're replying to. This should help solve the Twitter canoe problem, in which the names of the users you’re talking to take up so much space that you can barely say anything. That is, unless you think the real problem is the very existence of Twitter canoes, in which case, this change will exacerbate it by making multiparty conversations more feasible.
Wednesday, May 18, 2016
Your tweets could be a treasure for hacker BE SAFE!
BOSTON: Twitterati, take note! Just a handful of your tweets over the course of a single day may be enough to disclose the location of your home and workplace even to a relatively low -tech snooper, scientists have found.
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Twitter's location-reporting service is off by default, but many Twitter users choose to activate it.
The study by researchers at Massachusetts Institute of Technology in the US and Oxford University in the UK may help raise awareness about just how much privacy people may be giving up when they use social media .
"With this study, what we wanted to show is that when you send location data as a secondary piece of information, it is extremely simple for people with very little technical knowledge to find out where you work or live," said Liccardi.
In their study, researchers used real tweets from Twitter users in the Boston area in the US. The users consented to the use of their data, and they also confirmed their home and work addresses, their commuting routes , and the locations of various leisure destinations from which they had tweeted.
The time and location data associated with the tweets were then presented to a group of 45 study participants, who were asked to try to deduce whether the tweets had originated at the Twitter users' homes, their workplaces, leisure destinations, or locations along their commutes.
The participants were not recruited on the basis of any particular expertise in urban studies or the social sciences; they just drew what conclusions they could from location clustering.
They were also recruited in Oxford, to eliminate biasing that might result from familiarity with Boston geography. Similarly, they had no information about the content of the tweets.
The data were presented in three different forms. One was a static Google map, in which tweet locations were marked with virtual pins; one was an animated version of the map, in which the pins appeared on-screen in chronological order; and the third - the resolutely low-tech version - was a table listing geographical coordinates, street names and times of day.
The maps featured only street names, with no names of businesses, parks, schools, or other landmarks.
Pins and table rows were, however, colour coded to indicate general time of day - morning, afternoon, or evening.
The researchers also varied the volume of data that the participants were asked to consider: one day's, three days', or five days' worth. To avoid biasing, there was no overlap between data sets of different sizes.
Predictably, participants fared better with map-based representations, correctly identifying Twitter users' homes roughly 65 per cent of the time and their workplaces at closer to 70%.
Even the tabular representation was informative, however, with accuracy rates of just under 50 per cent for homes and a surprisingly high 70% for workplaces.
In their study, researchers used real tweets from Twitter users in the Boston area in the US. The users consented to the use of their data, and they also confirmed their home and work addresses, their commuting routes , and the locations of various leisure destinations from which they had tweeted.
The time and location data associated with the tweets were then presented to a group of 45 study participants, who were asked to try to deduce whether the tweets had originated at the Twitter users' homes, their workplaces, leisure destinations, or locations along their commutes.
The participants were not recruited on the basis of any particular expertise in urban studies or the social sciences; they just drew what conclusions they could from location clustering.
They were also recruited in Oxford, to eliminate biasing that might result from familiarity with Boston geography. Similarly, they had no information about the content of the tweets.
The data were presented in three different forms. One was a static Google map, in which tweet locations were marked with virtual pins; one was an animated version of the map, in which the pins appeared on-screen in chronological order; and the third - the resolutely low-tech version - was a table listing geographical coordinates, street names and times of day.
The maps featured only street names, with no names of businesses, parks, schools, or other landmarks.
The researchers also varied the volume of data that the participants were asked to consider: one day's, three days', or five days' worth. To avoid biasing, there was no overlap between data sets of different sizes.
Predictably, participants fared better with map-based representations, correctly identifying Twitter users' homes roughly 65 per cent of the time and their workplaces at closer to 70%.
Even the tabular representation was informative, however, with accuracy rates of just under 50 per cent for homes and a surprisingly high 70% for workplaces.
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