Science Courses

Train in the physical sciences for a broad-based technical education that will be valuable in the marketplace. Companies in all fields of business target science majors for hard-to-fill positions.
Energy and Transport
Sodium Potassium Pump
Cellular Structure
Introduction To Lipids
Cell Membranes
Homeostatic Disruptions
Cell Cycle, Mitosis And Meiosis
Viral Replication
Biological Molecules
Gibbs Free Energy
The Sensory System
Anatomy and Physiology
Cooperative Interactions
AP Biology Lab
Plant Pigments
Structural Biology
Bacteria And Antibiotics
Neuroscience Of Memory
The Physics Of Life: Water
Ecosystem Dynamics
Weather And Climate

The Science Of Sex
How To Clone A Mammoth
DNA Damage
Stem Cells
Evolution Of Males And Females
Meiosis & Mitosis
R And K Selection
Classical Genetics
Molecular genetics

Diatom Algae Populations
Sensory Systems Of Snakes
Hurricane Forecasting
Nanotech - Water Purification
Harnessing Wave Energy
Changing Ecology
Solar Power
Giving Robots And Prostheses
Robobees: Design
How Did Life On Earth Begin?
Mobile Solar Power
Forecast Space Weather
Chemistry Pioneer
Genetic Path To Biodiversity
Tsunami Debris
Freshwater Mussels
Safer Drinking Water
Earth Worm Invasion
New Leaf Sensor Alerts
Hurricane Sleuth
Marshes And Sea Level Rise
Super Stars
Evolution In Action
Fascinating Flight
Ice And Its Frozen Secrets
Green Roofs

Industrial Robots
Fanuc Robodrill
Stack And Wrap
Support System
Medical Robotics
Palletizing System
Stone Milling
Sheep Shearing Blades
Packaged Beverages
Food Packaging
Pick & Pack
3d Vision System
Battery Modules
Plastic Pipes
Handling Of Metal
Timber Robots
Bottle Flip Challenge

Made From Graphene
Hydrogen Cars
Jobs Replaced By Robots
Future Of Computing
Shape Shifters
Homemade Drones
4D Printed Objects
Do-It-Yourself Vehicles
Jet Vehicles
Gravity Gun
Homemade Engines
Levitation Breakthrough
Manned Flying Machines
Animal Robots
Future Spacecraft
Remote Planets
Photos Taken From Space

How To Galvanize Metal
Make Sulfuric Acid
Desiccator Bag
Make A Zinc Air Battery
PCB Tinning Solution
Trimethyl Orthoformate
Potassium Nitrate
Chlorotoluene Isomers
Extract Diethyl Ether
Liquid Nitrogen
Metals Recovery
Precious Metal Refining
Mercury Vids
Sodium Hydroxide Lye
Chemistry Experiments
Make PH Indicator
Fun With Dry Ice
Liquid Fueled Rocket
Sulfur Chloride
Rare Earth Elements
Chlorination Of Isobutene
Making Ferrate Iron

Food Science
Distilling Rum
Poisonous Mushrooms
Black Pudding
Thai Chili Sauce
Sugar Vs Corn Syrup
Candy Canes
Peanut Allergies
Peanut Butter
Toaster Pastries
Canned Tomatoes
How Milk Becomes Cheese
Ketchup | How It's Made
Smoked Salmon

Physics Experiments
Heat: Expansion Of Solid
Types Of Thermometers
Working Of Voltaic Cell
Archimedes Principle
How To Use Spherometer
Faraday Cage
The Wimshurst Machine
Physics Demo - Strobes
Magnetic Deflection
Magnetic Motors
Conducting Glass
Science Experiments
Black Fire Snake
Home Science
Make Hot Ice
Red Bull And Milk Experiment
A Science Trick

The Moon
Solar System
Views Of The Moon
Apollo 12 Landing Site
Inner Solar System
Atlas 5 Launch
Titan Tours
Auroras On Jupiter
The Other Side
Martian Atmosphere
Goddard Goes To Mars
Mars Landing Sites
Geological Activity - Moon
Spacesuits, Tools
Martian Methane
Moon Sheds Earth’s Impact
Asteroid Sample Return Mission
Moon – Reiner Gamma
Hubble Images
Opportunity Rover
Orbital View
Flyover: Planets And Moons
Our Solar System's Moons
NASA's Cassini

Gas Turbine
DC Motors
Clutch Design
Gear Design

Robotics & Nano Technology

Manufacturing facilities around the world are increasing adoption of industrial robots to increase automation and maintain competitiveness. In both the US and China particularly, application of industrial robots is on the rise. Sales of industrial robots grew by 66 percent in the past 5 years alone in the USA, according to the International Federation of Robots. During this period, US sales increased at a compound annual growth rate (CAGR) of almost 14 percent, despite a decline during the recent recession. The Robotic Industries Association (RIA) reported that the world market for industrial robots is driven primarily by demand from motor vehicle manufacturing, followed by the electronics industry.

The major foreign-owned industrial robot producers with US factories are from Japan (Fanuc, Kawasaki, Yaskawa-Motoman), Germany (Kuka), and Switzerland (ABB and Staubli). US manufacturers that design and produce industrial robots include Adept Technology, Genmark Automation, Rethink Robotics, and SAGE Automation. In addition to automotive robots, these companies produce robots for the electronics, medical, and logistics industries. Robots all have some kind of mechanical construction, a frame, form or shape designed to achieve a particular task. For example, a robot designed to travel across heavy dirt or mud, might use caterpillar tracks.

At the smallest scale, mechanical engineering becomes nanotechnology, one goal of which is to build molecules and materials via microsynthesis. Current areas of mechanical engineering research in nanotechnology include nanofilters, nanofilms, and nanostructures such as microtubules. At its most basic, nanotech relies on tailoring the structure of materials at an atomic or molecular scale, to achieve specific properties.

Using nanotechnology, new materials can be fabricated that are stronger, lighter, and better electrical conductors, among other properties. When particle sizes of solid matter in the visible scale are compared to what can be seen in a regular optical microscope, there is little difference in the properties of the particles. But when particles are created with dimensions of about 1 to 100 nanometers, the materials' properties change significantly from those at larger scales. This is the size scale where quantum effects rule behavior and physical properties.

Multiple Choice Tests - Free Practice!

This section offers practice tests in several subject areas. Each of the following multiple-choice tests has 10 questions to work on. No sign-up required, just straight to the test.

Electric Cars

The workings of a Tesla electric car is explained here through animation. The Tesla Model S recently became the world’s fastest-accelerating car. We will see how electric cars have achieved superior performance by analyzing the technology behind the induction motor, inverter, lithium ion battery power source, regenerative braking and the synchronized vehicle mechanism.

Respiratory System

The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs, and blood vessels. These parts work together to move oxygen throughout the body and eliminate waste gases including, but not limited to, carbon dioxide.

The Microsopic World

This year’s Nikon Small World Motion Photomicrography Competition has given us a fascinating glimpse into the realm of the extremely small. Watch a flea giving birth and a zebrafish embryo developing its complex nervous system.


The invention and eventual miniaturization of transistors has revolutionized technology. This animation demonstrates the working of a Bipolar Junction Transistor (BJT) with it's practical application as a switch or diode. The video also covers the structure of a Silicon atom, doping, N-type doping, P-type doping, the working of NPN transistor and dual stage amplification.

Engineering Jobs

Mechanical engineers held about 308,800 jobs in 2021. The median annual wage for mechanical engineers was $84,190 in May 2021. The lowest 10 percent earned less than $54,420, and the highest 10 percent earned more than $131,350. Most mechanical engineers work full time, and about 3 in 10 worked more than 40 hours a week in 2021. Employment of mechanical engineers is projected to grow 9 percent from 2021 to 2026.

In the automotive industry in particular, mechanical engineers will play key roles in improving the range and performance of hybrid and electric cars. The fields of alternative energies and nanotechnology will also offer new opportunities for occupational growth. Mechanical engineers design production projects to harness developments in nanotechnology, which involves manipulating matter at the tiniest levels. Nanotechnology will result in improvements of technology in fields such as healthcare and in the design of more powerful computer chips.

Job Search
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Mechanical Engineering Designer
CryoPacific, Incorporated
Provide general drafting assistance to the engineering manager using SolidWorks program. Responsibilities include performing engineering design functions such…
30+ days ago
Mechanical Engineering (Hardware) - Early Career, Full-Time
Rivian Automotive
Be part of a world-class team, with a focus on high quality and rapid project deployment. Recent graduate within a Bachelor's or Post-Graduate degree in Supply…
3 days ago
Mechanical Drafter/designer
Develop the detail design and completion of all drawings. Proficient with 3D and 2D CAD systems. Produce drawings in accordance with military standards (MIL-STD…
1 day ago
Mechatronics Engineer
Develop innovative solutions and perform design work requiring engineering knowledge and skills. Coordinate activities concerned with technical developments,…
30+ days ago
Piping Designer
Sigit Operating Company LLC
Develop Piping & Instrument Diagrams with engineering resources. Perform to SIGIT to engineering standards, policies, or details. A valid driver’s license.
16 days ago
Engineering Manager, User Focused Security Engineering
The User Focused Security Engineering team builds tools and products that help our workforce understand and participate in security.
4 days ago
Manufacturing Engineer - Mechanical Engineer - Industrial Engineering
First Engineering Services
We are currently seeking a Manufacturing Engineer with the ability to design and implement processes, and/or equipment to increase capacity and/or reduce…
9 months ago
FEA Engineer I
The team of developers, testers, engineers, designers and managers obsess over Nike’s iconic silhouettes and create groundbreaking new styles.
1 day ago
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