結果 : what is bad about gamma rays
5:21

Is radiation dangerous? - Matt Anticole

TED-Ed
2,412,383 回視聴 - 8 年前
2:14

Are gamma rays harmful?

Λsk Λbout Horizons
1,679 回視聴 - 3 年前
8:02

ULTRAVIOLET RAYS | How Harmful Are UV Rays? | Ultraviolet Radiation | Dr Binocs Show | Peekaboo Kidz

Peekaboo Kidz
767,937 回視聴 - 4 年前
6:03

Is Radiation Harmful? + more videos | #aumsum #kids #science #education #children

It's AumSum Time
1,322,400 回視聴 - 5 年前
2:13

How do radio frequency radiation and electromagnetic fields affect human beings?

Science Animated
82,763 回視聴 - 1 年前
4:06

Radiation Rays: Alpha, Beta and Gamma

Engineering Technology Simulation Learning Videos
1,122,393 回視聴 - 9 年前
3:03

Gamma Rays Are Bad

MesquiteHS
237 回視聴 - 11 年前
2:27

Biological Effects of Radiation

Centers for Disease Control and Prevention (CDC)
509,752 回視聴 - 9 年前
2:52:29

How long will I Survive with One Life in Stalker Gamma?

Vai Switch
135 回視聴 - 2 日前 に配信済み
0:47

the effects of phones' radiations on your health ... #elonmusk

SccS
412,856 回視聴 - 1 年前
4:14

How Radiation Changes Your DNA

Seeker
847,647 回視聴 - 8 年前
8:08

What is Radioactivity and Is It Always Harmful: Explained in Really Simple Words

Science ABC
433,034 回視聴 - 3 年前
4:43

Radiation 101: What It Is, Why It's Dangerous

UR Medicine
98,663 回視聴 - 13 年前
11:18

Solar Gamma Rays: "Dark Matter" is the Duct Tape of Bad Science!

Sky Scholar
17,128 回視聴 - 2 年前
0:24

How to Make a Gamma-ray

NASA Video
27,440 回視聴 - 11 年前
14:05

Gamma-Ray Bursts: Crash Course Astronomy #40

CrashCourse
1,196,566 回視聴 - 8 年前
7:10

Man Receives Highest Dose of Nuclear Radiation - This Is What Happened To Him

The Infographics Show
1,899,957 回視聴 - 4 年前
1:00

Is 5G Radiation Killing You?

Action Lab Shorts
898,530 回視聴 - 1 年前
18:34

ABCs of Radiation

Illinois EnergyProf
399,877 回視聴 - 5 年前
2:09

Radiation and the Human Body

ABC News
25,525 回視聴 - 13 年前