VnExpress International
The most read Vietnamese newspaper
Vietnamese Edition
| Contact us | Follow us on       
Tech
Tech news Enterprises Personalities Vietnam innovation

Challenge hub

5 safety tips to protect your EV and household during home charging

5 safety tips to protect your EV and household during home charging

With home charging common among EV users, experts warn that ignoring key safety tips, such as installing a fuse board and avoiding overcharging, may lead to battery damage or household hazards.
Nearly 100% electric: Can you guess which country leads the world in EV adoption?

Nearly 100% electric: Can you guess which country leads the world in EV adoption?

How to protect your home appliances from storm damage

How to protect your home appliances from storm damage

Why you should put a piece of paper on your fridge door this summer

Why you should put a piece of paper on your fridge door this summer

As summer heat rises, a quick paper test on your fridge door can reveal whether a worn seal is affecting its performance, potentially saving energy and preserving your food.
July 21, 2025 | 10:02 am GMT+7
How to keep your phone cool and avoid overheating this summer

How to keep your phone cool and avoid overheating this summer

Hot weather can significantly raise the risk of your phone overheating, which can damage its battery, performance, and overall user experience if not managed properly.
July 18, 2025 | 11:54 am GMT+7
5 common EV battery mistakes to avoid

5 common EV battery mistakes to avoid

Frequent fast charging, letting the battery run too low, and other common mistakes can significantly shorten EV battery life and lead to costly repairs.
July 17, 2025 | 06:11 am GMT+7
6 times using an extension cord could put you at risk

6 times using an extension cord could put you at risk

Experts warn that plugging in refrigerators, running cords outdoors, or charging electric bikes with an extension cord are among six common mistakes that can overheat wires and pose safety risks.
July 15, 2025 | 09:54 am GMT+7
Beat the summer heat: simple trick cools your car fast without air conditioner

Beat the summer heat: simple trick cools your car fast without air conditioner

A fluid dynamics expert has shared a surprisingly simple trick, using airflow from rapidly opening and closing car doors, to quickly cool your parked car in during summer heatwave without air conditioning.
July 11, 2025 | 12:21 pm GMT+7
How to safely use, maintain, and dispose of power bank

How to safely use, maintain, and dispose of power bank

Proper care can extend a power bank’s lifespan, prevent hardware failures, and reduce the risk of fires.
July 9, 2025 | 09:48 am GMT+7
Quiz: What is the best STEM job in the US?

Quiz: What is the best STEM job in the US?

The STEM job offers a median annual salary of $126,260, along with excellent career growth prospects and a better-than-average work-life balance.
July 7, 2025 | 10:26 am GMT+7
At 40, I fear every day that AI will replace me and leave me behind

At 40, I fear every day that AI will replace me and leave me behind

“Did you not use AI for this? It is too long. ChatGPT can do it much faster,” my boss said, leaving me speechless and sleepless as fear for my future set in.
July 4, 2025 | 10:25 am GMT+7
Why multiple cameras are mounted on the same traffic pole?

Why multiple cameras are mounted on the same traffic pole?

"I’ve noticed that many intersections have several cameras mounted on the same pole, sometimes even facing the same direction. It's unclear why this is the case," reader Tuan Ngoc questioned.
July 3, 2025 | 03:40 pm GMT+7
Why electric cars may cause more motion sickness than gasoline vehicles

Why electric cars may cause more motion sickness than gasoline vehicles

Passengers are increasingly reporting motion sickness in electric vehicles (EVs), with experts pointing to the absence of traditional sensory cues like engine noise and vibration that help the brain anticipate movement.
July 2, 2025 | 10:05 am GMT+7
Air conditioner on or off when leaving home: what saves more energy in summer?

Air conditioner on or off when leaving home: what saves more energy in summer?

Turning off your air conditioner while away may seem like a way to save energy, but experts say leaving it on at a higher setting helps prevent humidity build-up, and higher cooling cost.
July 1, 2025 | 03:59 pm GMT+7
Quiz: What’s the highest-paid tech job in US?

Quiz: What’s the highest-paid tech job in US?

Workers in this position have a median annual salary close to $170,000, with the top 25% earning more than $214,000, and even those in the lowest 25% still making around $132,000.
June 30, 2025 | 06:38 am GMT+7
Traffic violation cameras vs regular security cameras: What sets them apart

Traffic violation cameras vs regular security cameras: What sets them apart

Traffic cameras are larger, more advanced devices equipped with AI and radar systems that detect speeding, lane violations, and other infractions, even in low light or from long distances.
June 30, 2025 | 06:11 am GMT+7
No air conditioner? Here are 6 simple ways to stay cool and cut your electricity bill this summer

No air conditioner? Here are 6 simple ways to stay cool and cut your electricity bill this summer

Beat the summer heat without relying on air conditioning by using simple tricks like fans, ice, and blackout curtains, all while saving on energy bills.
June 28, 2025 | 07:38 am GMT+7
How much are your plugged-in devices silently adding to your electricity bill?

How much are your plugged-in devices silently adding to your electricity bill?

“Energy vampires”, devices left plugged in when not in use, could be silently draining up to 10% of your household’s electricity and adding as much as US$165 a year to your power bill in the U.S., and $100 in Australia.
June 27, 2025 | 07:47 am GMT+7
Why leaving chargers plugged in could quietly raise your power bill

Why leaving chargers plugged in could quietly raise your power bill

Keeping chargers plugged in constantly can waste electricity, raise your power bill, and pose safety risks such as overheating or fire, experts warn.
June 26, 2025 | 08:25 am GMT+7
Does charging your phone overnight harm battery health?

Does charging your phone overnight harm battery health?

Experts say modern smartphones are designed to prevent overcharging, making it generally safe to leave your device plugged in overnight.
June 25, 2025 | 06:26 am GMT+7
View more stories
 
go to top