Is the best encryption method public? Why is modern cryptography so weird? [Bad Review]

Building balloons, launching satellites, what methods have we used to achieve global signal coverage

chapingjun

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How do we measure the weight of such a heavy earth? [Bad review]

chapingjun

14 Views

Netizens' welding skills competition! Great welding, don't weld next time!

susuliaojuya

34 Views

Incredible seed growth process!!

jixiepangke

162 Views

Human Speed Bump – Mechanical ~3.26

jixiepangke

33 Views

Today's stress-relieving video: an awesome mechanical series~

jixiepangke

26 Views

Various sophisticated instruments

sunniis_01

181 Views

Man speed bump!! A satisfying job site~

jixiepangke

24 Views

How a vibrator works

lingmengrinmon

11 Views

Interstellar

xiaozhangshadouhui

155 Views

Lego said that they didn’t expect that building blocks could be played like this?

muentclegaomocer

14 Views

Build 10 LEGO electric doors and upgrade them over and over again, it's so fun!

muentclegaomocer

19 Views

Major吐槽 of "Lost in the Stars"! Don't believe anything about diving in this movie!!!

dearsirenxiaohaiyao

8 Views

I advise you to quit porn (enlarging testicles)

xuetudexin-

20 Views

[4K Ultra HD] Those cool black technology equipment in "Kingsman" are really cool

4Khuazhitiyanguan

87 Views

Japanese loli can't watch red deer blyat "Car Crash Simulator"

Feibaofficial

643 Views

Show you a magic trick

aliangdedongman

2.3K Views

The man as a speed bump: the skilled worker

yaki1

42 Views

【Vector Official】Green Traffic Light Device

mariano_mcdaniel_01

19 Views

Let's take a look at the satisfying workplace of skilled workers!

jixiepangke

48 Views