Indian Economy and Income Gap

This article makes a strong case that the rich have been getting richer in the US, and the only way to stop the worsening income inequality is to tax the rich even more in the US. Meanwhile, in India, the government has announced heavy reductions in corporate tax...

Why India Went to Mars

The trade war between the US and China is the reason why countries like India go to space on their own. ARM, a company headquartered in the UK, and owned by the Japanese, is no longer licensing technology to Huawei, a Chinese company, due to an export ban by the US. I...

Sealing your doors and windows

One of the ways of combating indoor air pollution, is to lower the amount of air exchanging between the inside and the outside. The principles are the same as weather proofing used in countries with very cold weather. Weather Sealing your Doors In any door, there is a...

Car Air Purifiers

On 14 Jan 2015 I posted the results of my car air purifier tests here. The test compared the purification power of a car AC with that of a car air purifier. Learnings: The purification power of a car AC is amazing. It takes you down to a PM concentration of under...
Sharp FU-A80E-W

Sharp FU-A80E-W

Mithun and Divya were kind enough to loan one of their purifiers to me. Here are the results. Air Purifier Make Sharp Model FU-A80E-W Room Room 2 Fan Speeds various Where to buy? Amazon SHARP-Air Purifier (FU-A80E-W) Test 1 – Comparing Performance Under Varying...