Technology
Wifi Analyser: Get the Best Signal Strength
We all use Wi-Fi at home and at work. WiFi Analyser helps us get the best signal strength for our devices.
 
Once you have downloaded and installed the WiFi Analyser, click on the menu and go and look up the Channel Graph. The channels will be listed on the X-Axis and the signal strength on the Y-Axis. You will now be able to view your own Wi-Fi by its name and other Wi-Fi channels around you that are broadcasting simultaneously. If there is a lot of clutter around a particular channel (say Channel 5), it may cause conflicts and, hence, deterioration of the signal quality. It may, therefore, be necessary to shift the router to another channel, the one which has the least interference. To do this, request your hardware admin or cable service provider.
 
If you are a bit more enterprising, head to your browser and connect to your router (typically, http://192.168.1.1 works). You will need your router login and password. Once inside, go to settings—Wi-Fi and change the channel to the desired one. Yo! Your signal will now be much better and faster.
 
Android: https://goo.gl/YAGmzs

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COMMENTS

Mehernosh Dordi

4 months ago

Is this app only for Android phones? What about iOS?

Pl@ntNet: Know Your Plant
Very often, we come across plants, flowers and fruits and are unable to identify them. Pl@ntnet is an image sharing and retrieval app which helps in identification of plants, flowers and fruits. It is developed by scientists from four French research organisations (Cirad, INRA, Inria and IRD), and the TelaBotanica network, with the financial support of Agropolis Foundation.
 
Once you install the app, choose an image—click with your camera or select an image from your Gallery. The selected image is, then, optically compared with the thousands of images stored in the database and up pops the nearest result—you get to identify the plant or flower in your picture. It does not work for ornamental plants and works better if the picture is focused on one organ. Pictures of tree leaves on uniform background yield the best results.
 
The number of plants and species covered keeps getting updated with contributions from users all over the world. If you find something unique, you can even contribute to the database. Those who want to contribute more interactively to this participatory science project can go to:
 
http://www.tela-botanica.org/appli:pictoflora
http://www.tela-botanica.org/appli:identiplante
http://www.tela-botanica.org/page:liste_projets?id_projet=80&act=resume
 
Enjoy your nature pics, know what you are seeing.
 
Android: https://goo.gl/nxaJG6      
               
iOS: https://goo.gl/ngHXXm

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COMMENTS

Vinayak Shete

4 months ago

These links are not clickable. One has to copy paste them in new tab

Secure Your Social Media Avatar
We, Indians, have a blockage in our heart and mind about security and privacy. Many of us do not understand, or even want to know, the difference between security/privacy and transparency. If you ask someone about securing their online presence, the answer you are likely to receive is: “I have nothing to hide, so why should I bother?” From the security perspective, I would say this is absurd; at the very least, it is an invitation to danger or hacking.
 
On waking up one morning, I saw an SMS delivered at 11.30 in the night, giving me the one-time passcode (OTP) for changing my password for one of my social media accounts. I was shocked and relieved. Shocked because someone tried to access my account, and relieved because I use second factor authentication (2FA); hence, the person was not successful in his mission. Of course, I change my password often. However, despite using a somewhat robust password, somebody made me go through this exercise.
 
According to a report from digital rights group Access Now, several activists and journalists are falling victim to a devious new account hack known as ‘DoubleSwitch’. Hackers are using DoubleSwitch first gain control of accounts that do not have a 2FA and then change the account information, including the username. For example, if your Twitter handle is @xyz123, the hacker will change it to, for example, @dummy_xyz123, using your own profile picture and display name and then replace your email ID. Next, he will create another account using your original handle, @xyz123, with his email ID. This way, you not only lose your username but any effort to retrieve your account (since the registered email ID would be of the hacker and not yours). And, since you do not have 2FA, there is not even a second line of defence for you.  
 
I have been writing about using multi-factor authentication for financial transactions. However, the time has now come to apply this for our social media presence as well. One of the reasons is that, the world over, the social media presence of an individual is being screened or monitored for several things, including (but not limited to) hiring for a job. Even lenders are using social media for, well... not for granting a loan, but for recovery purposes. This is happening in India too. In this scenario, it is only imperative that we follow multi-factor authentication for our social media account as well.
 
Here is how you can activate 2FA for your social media accounts. 
 
On Twitter, go to ‘Settings and privacy’ and to ‘Security’ under Accounts. Here, select login verification request and password reset parameters. Do not forget to update your email ID and mobile number.
 
For Facebook, you need to go to ‘Security and login’ under ‘Settings’. There is a tab, ‘Setting up extra security’. Turn on (opening ‘edit’ tab and then selecting the settings from) ‘Get alerts’ about unrecognised logins and use two-factor authentication. Facebook also allows you to retrieve your account with help from three to five of your friends. These trusted friends can send a code and URL to help you log in. But use this feature only when you know these people in person and are sure about their reliability and dependability.
 
Another important networking site is LinkedIn. Here, under ‘Setting’ you need to go to ‘Privacy’ and then to ‘Security’. Turn on the two-step verification. You will receive a code on your registered mobile number using which you can activate this feature. Other social media platforms also have a similar kind of feature to enable multi-factor authentication. It would be under Settings and, generally, under privacy or security. Do opt for this today, to avoid mishaps in the future. 

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