Home | CrazyEngineers

durga ch
@durga-TpX3gO • Jan 1, 2026

Jan 1, 2026

1.1K

Car locking system

I don't know if this is possible, just had a thought when was travelling in my friend's car. We already have , wireless door locking and unlocking system right? just...

Like 0 Replies 5
ukanth19
@ukanth19-B32cv1 • Dec 31, 2025

Dec 31, 2025

1.4K

Self driving car

My project is based on this idea by removing brake and steering controls and replaced them with sensors and advanced technology to read the surroundings and drive accordingly. I believe...

Like 1 Replies 8
sampath kedari
@sampath-sP2nkH • Dec 29, 2025

Dec 29, 2025

31.3K

Best mind & fun games for technical fest event in college

Following is the list of 21 mind and fun games for technical fest (techfest) in your college. You can organize them quickly and be sure that all your fellow engineers...

Like 0 Replies 6
The_Small_k
@the-small-k • Dec 29, 2025

Dec 29, 2025

279.6K

Exploring the Potential of AI in Software Development: Can AI Replace Software Developers in the Industry?

Hello engineers,I have always underestimated the potential of AI in understanding human language, which is why I never bothered to learn about it. However, the launch of ChatGPT has completely...

Like 5 Replies 4
Kaustubh Katdare
@thebigk • Dec 28, 2025

Dec 28, 2025

20.3K

Announcing "Top Products"

Excited to announce the launch of 'top products' on CrazyEngineers. We'll publish several software products built by amazing engineers and developers around the world. We'll also inform about the benefits...

Like 1 Replies 1
Rucha Wankhede
@rucha-9ej7h4 • Dec 19, 2025

Dec 19, 2025

1.7K

Future of Fillings: New ‘Bioactive’ Glass For Prevention of Secondary Tooth Decay

Tooth decay or dental caries which is claimed to be the second most common disease affecting the people worldwide after common flu, can now be prevented better in future, if...

Like 1 Replies 0
Joel Stoffer
@joel-stoffer-pBCa85 • Dec 17, 2025

Dec 17, 2025

1.6K

Residential curved wall with windows framing question

Hello there, I am a new designer and am currently working on a project for a residential home addition of about 500 sf. The new addition will sit on a...

Like 0 Replies 1
PRATIK DOKANIA
@pratik-dokania-4OW5jP • Dec 15, 2025

Dec 15, 2025

1.4K

car engines on kerosene

why car engines are made to run on diesel, petrol or cng only. why don't we find any car running on kerosene.

Like 0 Replies 2
tejasnaidu
@tejasnaidu-PBXdbr • Dec 10, 2025

Dec 10, 2025

1.4K

Airconditioner question

Hi all, This is a technical question regarding split airconditioner. Presently at site we have a US (American) made generator which supplies power at 110V/60Hz and 220V/60Hz. Both the supply...

Like 0 Replies 1
Abhishek Rawal
@abhishek-fg9tRh • Dec 10, 2025

Dec 10, 2025

1.7K

Magnetic Door Locks. How Does It Work ?

I would like to know the construction & working(in detail) of magnetic door locks. Few questions : - The magnets in locks are temperory magnets or permanent ? - If...

Like 1 Replies 4
Simran Jha
@CUzsqV1 • Dec 10, 2025

Dec 10, 2025

720

Social Media – The Modern Fuel Behind Powerful Branding**

Social media has transformed into one of the strongest tools for shaping how people view a brand. What once started as a platform for casual updates has now become a...

Like 0 Replies 0
Simran Jha
@CUzsqV1 • Dec 10, 2025

Dec 10, 2025

227

Social Media – The Modern Fuel Behind Powerful Branding**

Social media has transformed into one of the strongest tools for shaping how people view a brand. What once started as a platform for casual updates has now become a...

Like 0 Replies 0
Droopy
@droopy-gD1JUl • Dec 9, 2025

Dec 9, 2025

1.6K

Ground Fault Problem

Hey guys, I am a part time BSEE student while I work my full time job as an industrial electrician. I ran into a problem that is stumping me that...

Like 0 Replies 6
mohammed irfan
@mohammed-irfan-HDp5cc • Dec 9, 2025

Dec 9, 2025

1.6K

technical seminar based on airconditioning

hi my name is irfan and i am new to this site.i am a final year mechanical engineering student and i am searching for a topic for technical seminar based...

Like 0 Replies 4
Saugata
@saugata-KwZadq • Dec 9, 2025

Dec 9, 2025

1.4K

Airconditioning anomaly

An air-conditioned classroom is maintained at 72◦F in the summer. The students attend classes in shorts, sandals, and tee shirts and are quite comfortable. In the same classroom during the...

Like 0 Replies 6
maria flor
@maria-flor-8cAkif • Dec 8, 2025

Dec 8, 2025

1.3K

House Paint Samples On Wall

Video preview Open post

Before you paint your home, Watch This Video [video=youtube;YCMmDuhXNFc]https://www.youtube.com/watch?v=YCMmDuhXNFc&feature=mfu_in_order&list=UL[/video]

Like 0 Replies 2
maria flor
@maria-flor-8cAkif • Dec 8, 2025

Dec 8, 2025

1.2K

How to Design a Home Plumbing System

How to Design a Home Plumbing System Instructions: Waste Water System 1.Decide where to place your main stack. The main stack is a large pipe, usually 3 or 4 inches...

Like 0 Replies 0
Ramani Aswath
@ramani-VR4O43 • Dec 8, 2025

Dec 8, 2025

1.0K

Moving house is common. Moving a 6,200 Ton Building?

An amzing feat of moving an entire 122 year old building, the Machine Factory Oerlikon building in Zurich, by 60 metres foundation and all is on. #-Link-Snipped-#

Like 0 Replies 1
Mike Paul
@mike-paul-ZdpixD • Dec 8, 2025

Dec 8, 2025

1.5K

Insulation under radiant floor heating system?

Hey friends, We just put in a hot-water radient floor heat system. We need to insulate under the floor in the crawlspace. Contractor says use bats, plumber says use board-type...

Like 1 Replies 1
Difficulty - Medium

Total Plays - 49

Allowed Time - 10 sec

Best time - 8.264

Which energy trend is scaling the quickest globally?

Tip: Click "Play" to reveal options and start playing.

#A

#B

#C

#D

Explanation:
Solar and wind installations are growing aggressively because of falling costs and policy pushes.

Leaderboard