Presentation

1. What Materials Can Block a Wi-Fi Signal?
S1240199 Nobuhiro Yamauchi

2. Introduction①
➲ Recently,many place are set up wi-fi.
➲ Have you ever been frustrated by a poor-qua
lity or slow connection?

3. Introduction②
➲ I will think about how to eliminate thi
s irritation

4. Learn a little more background in
formation about Wi-Fi.

5. Background①
●
Wi-Fi is the common name for a type of c
ommunication that allows electronic devi
ces to exchange data or connect to the I
nternet wirelessly.

6. Background②
➲ Wi-fi uses a kind of radio waves of ele
ctromagnetic waves.

7. Background③
➲ Electromagnetic waves will be blocked i
f they pass through different materials

8. Question

9. Question
●
What materials do you think will block a
Wi-Fi signal? What materials do you thin
k will let a Wi-Fi signal pass through?

10. Answer
●
The most easily block material i
s iron

11. Summary①
➲ We found that wi-fi is the most difficu
lt to block from cloth
➲ It is iron that is most blocked

12. Summary②
➲ If we can reduce iron products
in the room as much as possible
we can fly Wi-fi comfortably

13. Future tasks
➲ should find the rule of blocking distan
ce and materiality

14. References
➲ http://www.sciencebuddies.org/science-f
air-projects/project_ideas/CompSci_p04
7.shtml#materials