This Christmas, OpenAI CEO Sam Altman has brought a unique gift to ChatGPT users—personalized Christmas videos created with just a single emoji. Altman’s surprise is making the festive season extra special for AI enthusiasts around the world. A Simple Emoji, a Personalized VideoAltman took to X (formerly Twitter) to share a hint for ChatGPT users. Along with his message, he posted a gift emoji 🎁, which acts as a prompt for ChatGPT. Users simply need to send this emoji to ChatGPT, upload a selfie, and the AI generates a personalized Christmas video using OpenAI’s video generation tool, Sora. How It WorksThe gift emoji serves as a trigger for the AI. Once sent, ChatGPT prompts the user for a selfie. Users can either upload an existing photo or click a new one. Sora then creates a short...

In a rare and disruptive incident, GPS services in the eastern Chinese city of Nanjing suddenly went offline, leaving residents unable to book cabs or track locations. The sudden outage caused widespread confusion and disruption, affecting navigation, food delivery, and even drone operations. GPS Services Go DarkNanjing, the capital of Jiangsu province with a population of nearly 10 million, experienced a six-hour blackout of GPS and the BeiDou Satellite Navigation System on the evening of December 17, 2025. From 4 PM to 10 PM, residents found themselves unable to determine their locations, book transportation, or access navigation-based services. The disruption made daily life exceptionally challenging, effectively bringing parts of the city to a standstill. What Caused the Disrupti...

Scientists have developed a revolutionary method to generate electricity, which, if successfully scaled, could bring your electricity bills down to zero. The reason: production costs would be virtually negligible. Surprisingly, this innovation harnesses the Earth’s rotation itself to produce power. How the Electricity Is GeneratedA team of scientists in the United States has created a small machine capable of producing electricity in a unique way. This device generates power directly from the Earth’s magnetic field as our planet rotates. The experiment was conducted under the leadership of Princeton University in New Jersey, with participation from researchers at NASA’s Jet Propulsion Laboratory. Although the small prototype produced only a few microvolts of electricity, it demonstra...

Many household gadgets and appliances remain plugged in overnight, consuming electricity and potentially affecting your sleep. Unplugging certain devices before going to bed can not only reduce your electricity bills but also improve your sleep quality and prolong the life of your appliances. Here are six items you should always unplug at night. 1. Wi-Fi Router It’s advisable to unplug your Wi-Fi router while sleeping. Continuous operation emits electromagnetic waves, which may subtly disturb your sleep. If you have smart devices that require internet, consider keeping the router out of the bedroom. 2. Phone and Laptop Chargers Leaving phone and laptop chargers plugged in, even when not in use, draws a small amount of power and can pose fire hazards. Unplugging chargers before ...

With a wide variety of earphones available today, consumers often face a dilemma: should they choose wired or wireless earphones? Both types have their own advantages and drawbacks. Here’s a detailed guide to help you decide which earphone suits your needs best. Advantages of Wireless Earphones Wireless earphones, also known as Bluetooth earphones, are extremely popular for their convenience. The biggest advantage is the absence of wires, allowing you to keep your phone in your pocket while moving freely. They are ideal for workouts or running since there are no tangled cords. Most models work within a 10–15 meter range and deliver high-quality audio. Many come with noise-cancellation features and long battery life, typically lasting 5–10 hours. Disadvantages of Wireless Earphones...

Has your address changed recently? If so, updating it on your passport is essential, as an incorrect address can cause delays in immigration, visa applications, and other official processes. The good news is that updating your passport address is now simple—you can apply online using your smartphone. Here’s a step-by-step guide. Why Updating Your Passport Address is Important Your passport is not just a travel document—it is also an important proof of identity. An outdated address can create complications with immigration, visa processing, and other legal or administrative matters. Fortunately, the process to update the address is straightforward and can be completed from the comfort of your home. A New Passport Will Be Issued When you change your address, it is considered an u...

With the Indian government pushing telecom companies to implement CNAP (Calling Name Presentation), questions are arising about the future of Truecaller in India. Currently, Truecaller has around 250 million users in the country, but CNAP could make its primary feature freely available to users directly through mobile networks. What is CNAP and How Will It Work? CNAP, or Calling Name Presentation, is a network-level feature that displays the caller’s name on incoming calls, replacing the need for any third-party app. Users will no longer need to install additional apps or grant permissions to identify unknown callers. The government aims to implement CNAP to reduce spam calls and enhance user safety. Impact on Truecaller Most Indian users rely on Truecaller to identify incoming...

Artificial Intelligence (AI) is advancing at an unprecedented pace, and 2026 promises even faster development. However, a recent report highlights six potentially alarming predictions for AI, raising concerns about privacy, employment, and international stability. 1. AI Development May Slow Down Global protests against the construction of new data centers are increasing, particularly in the U.S., where social media campaigns are gaining momentum. Countries like China and Russia could exploit this by spreading disinformation, slowing AI development in the West. This could lead to international tensions as misinformation fuels public unrest, hindering AI progress. 2. Bringing Robots into Homes Remains a Challenge AI-powered robots will dominate tech conferences in 2026. Companies...

Is your refrigerator making strange, loud noises that are disturbing your home? Samsung and LG have identified the common reasons behind these sounds and provided simple solutions that can help you fix the problem yourself before it causes any damage. Common Noises and How to Fix Them 1. Loud Grinding or Clanking SoundsIf your fridge produces a grinding or clanking noise, it could be because the condenser fan motor is hitting a thick layer of frost inside the freezer. To resolve this, turn off your fridge for 2–3 hours and keep the doors open. This will allow the frost around the fan motor to melt, enabling the fridge to operate smoothly again. 2. Rattling or Buzzing SoundsRattling or buzzing noises are often caused by improper leveling or poorly arranged items inside the fridge. ...