A dust sensor is an optical electronic system to detect fine particles such as dust. In principle, an optical dust sensor detects the dust particle concentration the in air by using an optical sensing ...

Air pollution involving very fine dust, such as PM2.5 particles, poses a serious threat to human health. Scientists in Austria have developed what they call the smallest particle sensor in the world, ...

Imagine a cloud of sensors, each the size of a grain of sand or even smaller, blown aloft by hurricane winds and relaying data on the storm to weather stations below. Picture an invisible sensor ...

The cordless vacuum experts at Dyson have released a brand new device that has a few novel features the rest of the industry will likely copy in the years to come. After all, Dyson has been setting ...

If you own a digital SLR and a couple of lenses, there will surely come a time when you look at a group of pictures on your monitor and see spots in the same place on every image. These are often the ...

A few simple upgrades and changes in practice are all it takes to make a difference.