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

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

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

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

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 3, 2025 | 07:25 pm PT
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 | 12:40 am PT
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 1, 2025 | 07:05 pm PT
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 | 12:59 am PT
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 29, 2025 | 03:38 pm PT
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 29, 2025 | 03:11 pm PT
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 27, 2025 | 04:38 pm PT
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 26, 2025 | 04:47 pm PT
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 25, 2025 | 05:25 pm PT
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 24, 2025 | 03:26 pm PT
What is the best air conditioner temperature to save energy and cut costs this summer?

What is the best air conditioner temperature to save energy and cut costs this summer?

Energy experts advise setting air conditioners to 26 degrees Celsius while at home, raising by 2 degrees during sleep, and by up to 6 degrees when away to reduce electricity use and save money.
June 23, 2025 | 07:19 pm PT
Is it bad to charge your phone multiple times a day? Here’s what experts say

Is it bad to charge your phone multiple times a day? Here’s what experts say

Charging your phone several times a day won’t harm the battery — in fact, topping up in small amounts can help extend its lifespan.
June 22, 2025 | 06:54 pm PT
5 common air conditioner habits that drive up your electricity bill this summer

5 common air conditioner habits that drive up your electricity bill this summer

Setting the temperature too low, skipping maintenance, and misusing fan or zoning settings are common air conditioning habits that can drive up your electricity bill, experts warn.
June 20, 2025 | 04:17 pm PT
10 charging mistakes experts warn you to avoid

10 charging mistakes experts warn you to avoid

Charging your devices might seem simple, but several common mistakes, such as using damaged cables, overcharging, and overloading outlets, can damage your electronics and even pose safety risks.
June 19, 2025 | 03:26 pm PT
Running out of battery too soon? Here are 5 tips to extend your Android phone’s life

Running out of battery too soon? Here are 5 tips to extend your Android phone’s life

Adjusting settings like screen brightness, background app activity, and power-saving modes can help Android users extend their phone’s battery life without relying on external accessories.
June 19, 2025 | 12:03 am PT
6 ways to lower your air conditioner bill and stay cool this summer

6 ways to lower your air conditioner bill and stay cool this summer

As summer heat drives up energy bills, setting your AC to 24 degrees Celsius, closing the blinds, and using ceiling fans are among six simple ways to stay cool while saving energy.
June 17, 2025 | 02:48 pm PT
Is it safe to run the air conditioner all day during summer heat?

Is it safe to run the air conditioner all day during summer heat?

Dr. Tran Dinh Thang of the National Geriatric Hospital in Hanoi advises against running the air conditioner all day, recommending temperatures above 26 degrees Celsius and using a timer and fan at night to reduce health risks.
June 16, 2025 | 07:22 pm PT
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