New Research: Laser Guided Lightning
Interactive Video
•
Science, Physics
•
11th Grade - University
•
Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main advantage of using lasers over traditional lightning rods?
Lasers are easier to install.
Lasers are cheaper to produce.
Lasers can guide lightning away from infrastructure.
Lasers can stop lightning from occurring.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which year did Japanese researchers successfully trigger lightning strikes using lasers?
1995
2000
1999
1990
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of laser filamentation in guiding lightning?
It absorbs the lightning energy.
It creates a magnetic field.
It disperses the thunderclouds.
It ionizes air molecules to form a plasma channel.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a potential future application of laser-guided lightning technology?
To enhance solar panel efficiency.
To create artificial rain.
To guide lightning away from planes and rockets.
To power electric vehicles.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary benefit of the new DNA-based test developed by Cambridge University?
It is more expensive than PCR tests.
It requires a larger sample size.
It can detect viruses in under an hour.
It can only detect one virus at a time.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the DNA bait in the new test identify viruses?
By changing color when a virus is present.
By pairing with matching RNA sequences.
By emitting a sound signal.
By dissolving in the presence of a virus.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of passing the sample through a nanopore in the new virus detection test?
To change the sample's color.
To sterilize the sample.
To identify single molecules of nucleic acid.
To magnify the sample.
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