126 To detect diseases earlier let's speak bacteria's secret language Fatima AlZ 11:42 127 We don't move on from grief We move forward with it Nora McInerny 15:06 128 Wearable tech that helps you navigate by touch Keith Kirkland 06:22 129 What it takes to launch a telescope Erik...
126 To detect diseases earlier let's speak bacteria's secret language Fatima AlZ 11:42 125 Three ideas Three contradictions Or not Hannah Gadsby 18:34 124 These bacteria eat plastic Morgan Vague 09:14 123 The surprising connection between brain injuries and crime Kim Gorgens 11:43 122 ...
To reduce your exposure to ozone, you should avoid exercising during afternoon and early evening hours in the summer. Make Your Own Ozone Detector You can make ozone test strips to detect and monitor ozone levels in your own backyard or around your school. You will need: corn starch fil...
However, the discovery that many of these substances have the ability to persist in the environment for a significant amount of time (decades, centuries or perhaps even longer) has caused concern in scientific circles. This has led to many of them being dubbed emerging con...
They typically operate automatically, using either a float activator arm or a pressure sensor to detect water levels and activate the pump when necessary. There are two primary types of sump pumps: submersible pumps, which operate underwater and are quieter, and pedestal pumps, which are above ...
They typically operate automatically, using either a float activator arm or a pressure sensor to detect water levels and activate the pump when necessary. There are two primary types of sump pumps: submersible pumps, which operate underwater and are quieter, and pedestal pumps, which are above ...
They set up experiments to investigate the substances in air and water.
It is beautiful in appearance and easy to operate. Although it’s small, it can measure four indoor pollutants, pm 2.5, AQI, TVOC and HCHO (formaldehyde). It helps detect smoke and air pollution in your house. The unique design allows users to easily move around the house and take ...
In photocatalytic air purifiers, the catalyst that cleans the air is typically titanium dioxide (sometimes called titania) and it's energized by ultraviolet (UV) light. UV is the short-wavelength light just beyond the blue/violet part of the electromagnetic spectrum that our eyes can detect. The...
To detect and suppress fires, the ISS has smoke detectors, computerized alarm systems, fire extinguishers and portable breathing devices [source: Frost]. ISS: Power, Propulsion and Communications The International Space Station is traveling at the breakneck speed of 17,227 miles per hour (27,724...