Search results for “smartphone tracking”

That's what you need in my chemistry class

In this screencast, I will explain what to expect in my lessons and what technical equipment you will need. The proposed QR Code Scanner is NOT necessary from IOS 11 onwards, as it is integrated into the camera app. It's not a problem if you don't have a smartphone! We can do this well in class!

How does inductive charging work?

Current from the socket generates a magnetic field. This in turn induces current. As a result, the battery (in a smartphone, for example) can be charged via this magnetic field. This technology originated in the early 19th century. Author: ZDF/Terra X/Sabine Kemper/Martin Schaaf/Maximilian Mohr Tr

How a Digital Compass Works

An analog compass responds to the Earth's magnetic field. A digital smartphone compass, however, works without a magnetic needle. The job of the magnetic needle is taken over by a sensor made of three layers. Authors: ZDF/3sat/nano/Autorenkombinat/Josephine Blume, Holger Barthel, Ingo Schwarz /Alex

The art of text (rendering)

Typography is the art of arranging type to make written language legible, readable, and appealing when displayed. However, for the neophyte, typography is mostly apprehended as the juxtaposition of characters displayed on the screen while for the expert, typography means typeface, scripts, unicode,

What do you think about radiation

Wi-Fi, power lines, smartphones – electromagnetic fields accompany us in everyday life. What do people think about the dangers? What do they want to say to those responsible? The Federal Office for Radiation Protection asked people about this in 2019. Here are their answers. Original: "Federal Offi

How does the PCR test work?

PCR stands for “Polymerase Chain Reaction”. It is a method to specifically track down and reproduce genetic material. In principle similar to a copier. In order for the copier to know what to duplicate, it needs a suitable template - a unique DNA sequence of the virus. Such typical locations in the

How do air filters work?

How do filters remove particles from the air and reduce exposure - especially the small ones? As this Risk Bites primer shows as it dives into the science of aerosol particle capture, it may not be how you think! Air filters are an important tool for protecting health, improving air quality, and

Not another COVID safety video ... honest!

How do you go about avoiding becoming infected by a harmful airborne virus like COVID-19 -- especially if you're a student heading back to campus? There are, of course, a number of blindingly obvious ways to do this. However, because so many people seem to have forgotten them, I thought it worth p

Can eating pasta help you lose weight?

Can eating pasta help you lose weight? A flurry of recent headlines on pasta and weight loss might make you think it can. But looking at the research behind these headlines shows that the science of dieting with pasta is not as simple as it might seem. USEFUL LINKS Original research paper: http:

HOW TO GET INTO HEC INTERNATIONAL FINANCE

Richard Evans, founder of The Profs, shares his expert, insider knowledge on how to get into HEC, to study International Finance. Richard has helped over 1,000 students apply to top universities in the UK and abroad. Get your FREE personal statement template and applications cheatsheet, 90% of our