Clean Technology

  • Clean Air

    Taking apart a LaserEgg

    My LaserEgg stopped working properly. Hence, I took it apart. There is an issue between the hard drive and cpu as you can see from the video. Video

  • Clean Air

    LaserEggs have returned

    My Wayne borrowed my LaserEggs in Hanoi. I got them back last week. Sadly VietPost was not too gentle with them.

  • Clean Air

    Testing DIY Air Purifier on a bad air day in Saigon, Vietnam

    On Wednesday, January 3rd, 2018, Saigon (Ho Chi Minh City), experienced one of its highest PM 2.5 AQI readings with a reading of 191 early this morning. Very high PM 2.5…

  • Clean Technology

    How clean is Saigon's water?

    Recently I decided to test the water at my apartment. Below are the results Above is the water test for 20 liter jug. 49 ppm is considered safe drinking water. Above is…

  • Clean Air

    AQBLUE masks in Saigon

    I ordered a box of 10 AQBLUE PM2.5 masks. Arrived on time. Looking forward to wearing them.

  • Clean Air

    Good air vs bad air days in Saigon

    Saigon is experiencing more bad air days with PM 2.5 levels above 150 AQI. Below is a photo from my apartment to Phu My Hung. Notice that the Phu My Hung Bridge on the…

  • Clean Air

    Air Quality in Long An, Vietnam

    Nearly 11 months ago I took my first air quality reading in Long An about 30 km south of Ho Chi Minh City, Vietnam. I was surprised that I got an AQI reading of 41…

  • Clean Air

    Xiaomi Air Purifer 2 Test in Auto mode

    The Xiaomi Air Purifier 2 currently seems to be one of the most popular air purifiers in Vietnam. Costing only 2.6 million VND, this makes the Xiaomi Air Purifier 2 a…

  • Clean Air

    Four hour test of SmartAir Original DIY air purifier in Saigon (HCMC)

    Last week, Saigon woke up to unhealthy air measuring 156 AQI at the US Consulate or roughly 65 micrograms. This gave me an opportunity to test my SmartAir Original DIY…

  • Clean Air

    Cleaner Indoor Air in Saigon (Vietnam)

    After four years out of Vietnam, I have finally returned "home" to Saigon. There have been much changes to the city. Development seems quite higher than when I first…

  • Clean Technology

    My ebike

    My ebike on a nice Sunday afternoon in Shanghai. Yes, I should really have locked the front tire. My orange ebike in Shanghai

  • Clean Air

    What happens when air purifier is left off

    Well, I will need to keep at least one of my air purifiers on on bad air days. These readings surprise me. We are unsure where the bad air enters our apartments still…

  • Clean Technology

    Competitors to Mobike

    Mobike are not the only share bike. The pictures below the two other competitors. The yellow bike is new. Not sure how they work yet. The green bike is popular since it…

  • Clean Air

    Hanoi AQI is horrible

    Climates wise Hanoi is probably comparable to Shanghai. Seems that more factories have relocated from China to Vietnam, specifically outside of Hanoi. Hence when…

  • Clean Air

    Saigon air better than Shanghai now

    Well, with winter coming to Shanghai soon, I was warned that the pollution of the air will get worse. Though I am not in Shanghai now, the air is quite bad. I will…

  • Clean Technology

    Charging my ebike battery

    My ebike is a freak in itself. I really do not have to charge my battery for two weeks. I made it three weeks the first time I got it. My single battery is actually made…

  • Clean Technology

    Locking my Ebike

    Here is something I do not do in Saigon, lock my motorbike. Unfortunately this is something you have to do in Shanghai and China in general. There are no parking people…

  • Clean Technology

    Mobike in Shanghai

    This is an awesome app in Shanghai. I wished I used it before getting an ebike. In short, Mobike is a bike share app. When you need a bike, you open an app and where the…

  • Clean Air

    Little Air Purifier

    This little guy can clean the air of a small room in about 3-5 hours. Just leave it on all day and the room will be 50 AQI. Not bad for $30 USD. The filter lasts three…

  • Clean Air

    Air getting worse in Shanghai

    Well, I knew it was bound to happen. After a relatively clean two months in Shanghai, the air is getting worse. Today was the first time I saw the air quality worse in…