Tagged: Mobile phone

When did mobile phones come out?

Prior to 1973, mobile telephony was limited to phones installed in cars and other vehicles. Motorola was the first company to produce a handheld mobile phone. On April 3, 1973, Martin Cooper, a Motorola researcher and executive, made the first mobile telephone call from handheld subscriber equipment, placing a call to Dr. Joel S. Engel of Bell Labs, his rival. The prototype handheld phone used by Dr. Cooper weighed 1.1 kilograms (2.4 lb) and measured 23 by 13 by 4.5 centimetres (9.1 by 5.1 by 1.8 in). The prototype offered a talk time of just 30 minutes and took 10 hours to re-charge.

Before devices were now referred to as cellphones or mobile phones, there were several precursors. In 1908, Professor Albert Jahnke and the Oakland Transcontinental Telephone and Airpower Company claimed to have developed a wireless telephone. They were accused of fraud and the charges were later canceled, but they did not appear to continue production.  Starting in 1918, the German railroad system tested wireless telephones on military trains between Berlin and Zossen. In 1924, the public trial began with a telephone connection on the train between Berlin and Hamburg. In 1925, the Zugtelephonie AG company was established to supply train telephony equipment and, in 1926, telephone services on the Deutsche Reichsbahn train and German postal services on routes between Hamburg and Berlin were approved and offered to first-class travelers.

John F. Mitchell, Motorola’s chief of portable communication products and Cooper’s boss in 1973, played a key role in advancing the development of handheld mobile telephone equipment. Mitchell failed to push Motorola into developing wireless communication products that would be small enough to use anywhere and participated in the design of the cellular phone.

As a result of Dr. Cooper’s public test call using the prototype phone, it would take another ten years for his first commercial sale. The first phone for the public was the Motorola DynaTAC 8000X. This first phone was very different from today’s phones. Unlike modern phones that weigh just 4 ounces, the DynaTAC 8000X weighs 2.5 pounds. This, with its size of 13 x 1.75 x 3.5 inches, earned this first cell phone the nickname “Brick”. The size and weight of the phone are not the only features that differ from modern slim phones. The talk time on the original phone usually lasted only half an hour and the cost was $ 3995. This cost did not include the cost of operation, which involved monthly fees and per-minute fees.

The first rocking phone was also launched by Motorola, several years later, in 1989. It was also the first phone small enough to fit in his pocket. Part of the reason for the reduced size was the placement of material in the open or closed phone section. In 1992, the Motorola International 3200, the first mobile phone with 2G technology. In 1997, Philips introduced one of the first attempts to use a smartphone called Synergy. It allowed users to access the Internet, faxes and e-mails. The same year, Nokia launched the Nokia 9000 Communicator, with Web access, a QWERTY keyboard and an LCD screen. The external antenna that was a basic function was no longer visible on the Nokia 8810, released in 1998. It was the first phone without external antenna, which made mobile phones easier to handle and more attractive. More and more standard features have begun to appear each year. In 1999, Nokia messaging became possible with the release of the Nokia 3210. In 1999, GPS navigation was also integrated on a phone and WAP (Wireless Application Protocol) was integrated for the first time on a mobile phone. Cameras were added to cell phone technology in 2000 with Sharp’s J-SH04; However, the first camera phone to be sold in the United States came from Sanyo. In 2002, several different PDAs started adding telephone support. The Apple iPhone was introduced in 2007. This smart phone revolutionized the mobile phone with a touch screen.

Researchers exploit the system that sends presidential emergency alerts

Researchers discovered a manner to exploit the system that sends presidential emergency alerts to our phones, simulating their method on a 50,000 seat football stadium in Colorado with a ninety percentage achievement charge.

Researchers at the university of Colorado Boulder posted a paper this month that details how they were capable of spoof assault the wi-fi Emergency Alert (WEA) software, which could ship out AMBER indicators, presidential signals, and each extreme and severe threats to safety.

Emergency alerts are sent to every cell tool within variety of the broadcasting mobile tower. but the researchers word that a malicious cell tower channel is capable of fooling the device, and in turn sending out an inauthentic emergency alert to all gadgets within its variety.

The researchers tested this LTE vulnerability by using developing their very own malicious cellular tower channel using off-the-shelf hardware and open-supply software to deploy their exploit, which in one instance become used in an test at Folsom subject on the college of Colorado Boulder.

The researchers didn’t perform an actual assault on a live crowd on the stadium or on real cell gadgets, Eric Wustrow, a researcher on the paper, instructed Gizmodo in an e mail. The assessments performed have been rather accomplished in remoted RF protect bins, Wustrow stated, “and our analysis of Folsom area changed into a aggregate of empirically collected data and simulation.” A screenshot from the paper beneath displays what those spoof attacks looked like on both a Samsung Galaxy S8 and an iPhone X.

Dumbest 911 Calls They’ve Ever Received

  • The unidentified woman was stationed in a Walgreen store in Kissimmee. “My car does not start, I’m locked inside my car,” said the unidentified woman. “Nothing works with electricity, and it’s very hot here and I do not feel well.” The dispatcher then suggested lifting the lock. The woman tried and managed to open the door successfully.
  • John Triplette, a 45-year-old unemployed, was accused of abusing the 911 emergency line: he made more than 27,000 calls to 911.
    The police say he was a lonely man who would call the dispatchers for company, sometimes hundreds of times a day. It would also make several noises, including grunts and other bodily noises, minimal conversations with a disguised voice, beeps from the touch pad, etc. The prank calls to 911 were made from a T-Mobile cell phone that led to his arrest after the police tracked the signal on his cell phone. The police said they apologized for the calls. He said he did them “because they were free.” He faces a $ 1,000 fine and / or six months in jail.
  • Angry because her local McDonald’s was outside of Chicken McNuggets, a Florida woman called 911 three times to report on the “emergency” of fast food. Latreasa Goodman, 27, called the police to complain that a cashier would not give her a refund. When the cops responded to the restaurant, Goodman told them, “This is an emergency, if I had known they did not have McNuggets, I would not have given my money, and now she wants to give me a McDouble, but I do not want one.” She was arrested and the police filed charges for misuse of the 911 system.
  • A frustrated German housewife called the police because her husband did not stop watching porn movies. The 44-year-old woman from Aachen dialed the emergency police number and told the dispatcher in a weeping voice that there was an emergency. But when the agents arrived on the scene, they found her walking around the apartment while her husband, 46, sat in front of the television watching a blue movie. However, she was told that there was nothing the police could do in such a case, but she referred her to a counselor to help her.
  • A 4-year-old boy named Johnny decided to call 911 when he needed help with his math homework. Surprisingly, the dispatcher really helped; The video is a must.
  • A woman called 911 to report that she did not have as many shrimp as she wanted in her fried rice at a restaurant in the Fort Worth area. The angry customer told the dispatcher: “to bring a police officer here, what has to happen?” The client also said: “He did not even put extra shrimp there.” The annoying customer was gone when an officer arrived the next day. Restaurant workers said the woman had been denied a refund after she left with her order, and then returned to complain. The cook said there was nothing wrong with the food.
  • A woman called the local 911 in China after her boyfriend refused to warm his cold feet. Police officer Xiao Deng of Ningbo received two consecutive calls, one from the woman who complained that her boyfriend refused to warm her feet, the other from the man who said his girlfriend was too demanding. Deng went to the rental apartment, near the University of Ningbo, to try to solve the problem, but found the couple still rowing. Finally, he persuaded the boyfriend that it was a man’s job to warm his girlfriend’s feet, but he told the woman not to leave his feet there for long. The young couple put aside their differences and thanked him for coming out to solve his problem.
  • A man in Beaverton, Oregon, called 911 when a nightclub refused to let him in. Employees at the nightclub “The Caribe” in Beaverton said they did not let in Edgar Dieguez-López because he was too intoxicated. Dieguez-Lopez then called 911 and complained to the dispatchers that he had been denied entry. The dispatchers explained through a translator that the club has the right to refuse the service and they asked him to wait outside for the police. The officers responded to the club and found cocaine inside one of Dieguez-López’s socks. He was arrested on drug charges.

Cruel pranks to pull on someone you don’t like – Pull these cruel pranks on friends or co-workers, but only if you don’t want to keep them anymore!

  • Hide crayons in your enemies clothes-dryer.

 

  • Got some cement laying around? Chuck it in their washing machine.

 

 

  • Take out the white bit that is in cap-gun caps. Put it in the end of a cigarette or sprinkle a whole bunch, into an ashtray. Make sure your victim is wearing glasses for this little exploding-cigarette practical joke.weird prank

 

  • Put up a sign saying, GET LOST!! outside someones house on Halloween. Put rolls of toilet paper and a heap of rotten eggs close by it.

 

  • If someone brings their dog to work, take a crap on the floor somewhere and tell them about it. Later on, explain that it was you and laugh at them.

 

  • Turn off the main power and put important documents in the shredder. Leave it switched on for when the power gets turned back on.

 

  • Stick food colouring in someones iron.

 

  • Put honey on all of the moving parts of an instrument like a piano or a saxophone, if they have one. You could always try for an evil pranks record and paint their laptop keys with it, too.

 

  • Rub someones mobile phone under your sweaty arm-pits. Or try some of these other really smelly pranks.

 

  • Put icecream in someones letterbox when they go away for the week.

 

  • If you are a guest in someones house and they are treating you badly, excuse yourself to the toilet and wipe your butt with one of their towels and call it a practical joke in your own mind.

 

  • If you ever do a ‘take-away-food run’ here’s one that you can try to get tempers flying. If someone orders a whole chicken, poke a condom inside the chickens butt and deliver it as if nothing is wrong. When it gets noticed, offer to drive the complainant down to have words with the manager. Try not to laugh as the accusations fly.

 

  • When companies cold call to upgrade your phone/TV/internet etc, give them your friends number and tell them that he works nightshift and to call around two or three o’clock in the morning. Mention that they are looking for a product JUST LIKE that one.

 

  • Cruel pranks to play on people is to get all of your friends to take it in turns calling somebodies phone number, asking for Marcus each time. When your victim starts screaming at all of the callers, ring him up and tell him that your name is Marcus. Ask if there are any messages for you.

 

  • Put an open envelope with some marbles in it, on top of each blade of a ceiling fan. Face the opening so that it fills up with air when the fan is turned on, tips over backwards and spews marbles everywhere!