សិល្បៈ
សម្រស់ និង សុខុមាលភាព
សិប្បកម្ម
វប្បធម៌ និង ប្រវត្តិសាស្ត្រ
ការកម្សាន្ត
បរិស្ថាន
ម្ហូប និង ភេសជ្ជៈ
វិស្វកម្មបញ្ច្រាស
វិទ្យាសាស្ត្រ
កីឡា
បច្ចេកវិទ្យា
ប្រដាប់ដែលស្លៀក
ប្លង់Sciencesរូបវិទ្យា

រូបវិទ្យា

747 ប្លង់មាន • 15 ប្រភេទរង

ប្លង់ (747)

The Kazoo: A Paper Membrane That Buzzes With Your Voice

The Kazoo: A Paper Membrane That Buzzes With Your Voice

ដោយ WoodyNO

សូរ និង តន្ត្រី

16
0
0
0
0
0
The Capo: A Movable Nut You Clamp With One Hand

The Capo: A Movable Nut You Clamp With One Hand

ដោយ WoodyNO

សូរ និង តន្ត្រី

12
0
0
0
0
0
The Life Raft That Works Either Way Up

The Life Raft That Works Either Way Up

ដោយ EmmaSE

មេកានិកទឹក

15
0
0
0
0
0
The Fire-Alarm Telegraph: A Box That Sends Its Own Address

The Fire-Alarm Telegraph: A Box That Sends Its Own Address

ដោយ EdFI

អេឡិចត្រូនិក

12
0
0
0
0
0
The Door Check: An Air Cushion With a Valve That Knows How Hard You Push

The Door Check: An Air Cushion With a Valve That Knows How Hard You Push

ដោយ EmmaSE

សំណង់

13
0
0
0
0
0
The Soap Dispenser: A Measured Dose Between Two Plungers

The Soap Dispenser: A Measured Dose Between Two Plungers

ដោយ EmmaSE

មេកានិកទឹក

12
0
0
0
0
0
The Impact Sprinkler: A Jet That Knocks Itself Round

The Impact Sprinkler: A Jet That Knocks Itself Round

ដោយ EmmaSE

កសិកម្ម

9
0
0
0
0
0
The Flying Disc: A Wing Held Steady by Its Spin

The Flying Disc: A Wing Held Steady by Its Spin

ដោយ SpartanNO

ខ្យល់

10
0
0
0
0
0
The Helical Spring Toy: A Spring Too Soft to Hurry

The Helical Spring Toy: A Spring Too Soft to Hurry

ដោយ SpartanNO

ប្រដាប់ប្រដា

6
0
0
0
0
0
The Box Kite: Two Cells of Cloth That Hold Themselves Steady

The Box Kite: Two Cells of Cloth That Hold Themselves Steady

ដោយ SpartanNO

ខ្យល់

14
0
0
0
0
0
The Praxinoscope: Moving Pictures in a Ring of Mirrors

The Praxinoscope: Moving Pictures in a Ring of Mirrors

ដោយ PennyDK

អុបទិក

13
0
0
0
0
0
The Bandalore: A Yo-Yo With a Flywheel Rim

The Bandalore: A Yo-Yo With a Flywheel Rim

ដោយ SpartanNO

ប្រដាប់ប្រដា

16
0
0
0
0
0
The Gyroscope: A Wheel That Refuses to Fall

The Gyroscope: A Wheel That Refuses to Fall

ដោយ PennyDK

មេកានិក

12
0
0
0
0
0
The Pressure Cooker: A Lid the Steam Holds Shut

The Pressure Cooker: A Lid the Steam Holds Shut

ដោយ TheChefDK

ម្ហូប និង ភេសជ្ជៈ

16
0
0
0
0
0
The Meat Mincer: A Screw That Feeds a Knife

The Meat Mincer: A Screw That Feeds a Knife

ដោយ TheChefDK

ម្ហូប និង ភេសជ្ជៈ

12
0
0
0
0
0
The Clothes Wringer: Two Rollers and a Spring

The Clothes Wringer: Two Rollers and a Spring

ដោយ YourGrandmaIS

ឧបករណ៍វាយនភណ្ឌ

13
0
0
0
0
0
The Sad Iron: Keeping the Heat in the Face, Not the Hand

The Sad Iron: Keeping the Heat in the Face, Not the Hand

ដោយ YourGrandmaIS

ឧបករណ៍វាយនភណ្ឌ

16
0
0
0
0
0
The Button Corkscrew: A Helix That Grips and a Disc That Stops It

The Button Corkscrew: A Helix That Grips and a Disc That Stops It

ដោយ YourGrandmaIS

ម្ហូប និង ភេសជ្ជៈ

15
0
0
0
0
0
The Crutch: Carrying the Body on the Hands

The Crutch: Carrying the Body on the Hands

ដោយ EmmaSE

ឧបករណ៍

12
0
0
0
0
0
The Contact Lens: A Lens Floating on the Tears

The Contact Lens: A Lens Floating on the Tears

ដោយ PennyDK

អុបទិក

7
0
0
0
0
0
The Flexible Shaft: Turning a Tool Round a Corner

The Flexible Shaft: Turning a Tool Round a Corner

ដោយ MartinNO

មេកានិក

15
0
0
0
0
0
The Bifocal Lens: Two Pairs of Spectacles Cut in Half

The Bifocal Lens: Two Pairs of Spectacles Cut in Half

ដោយ PennyDK

អុបទិក

6
0
0
0
0
0
The Parking Meter: A Coin That Unlocks a Clock

The Parking Meter: A Coin That Unlocks a Clock

ដោយ MartinNO

មេកានិក

10
0
0
0
0
0
The Synchronous Clock: Telling Time by the Power Station's Cycles

The Synchronous Clock: Telling Time by the Power Station's Cycles

ដោយ PennyDK

អគ្គិសនីមេកានិក

10
0
0
0
0
0
បង្ហាញ 24 ក្នុងចំណោម 747