The Tool Desk
Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →Toys and loose objects appear to float in an orbiting spacecraft because the spacecraft, its crew and the objects are all falling around Earth together. Gravity has not vanished: the shared free fall makes their relative acceleration very small. Release a toy and it keeps the motion it had at release; give it a push and it drifts until a force, collision, tether or spacecraft maneuver changes that motion.
Why a toy floats when you let go
The International Space Station (ISS) is continuously pulled toward Earth by gravity while moving sideways fast enough to keep missing the ground. NASA’s Glenn Research Center gives the station’s orbital speed as 17,500 miles per hour (28,000 km/h). The station, astronauts and anything released inside it are all in the same orbital free fall.
As an Amazon Associate I earn from qualifying purchases.
Because the cabin and the object accelerate together, the object does not appear to drop toward the floor. NASA describes this local condition as microgravity, approximately 1×10−6 g. “Zero gravity” is common shorthand, but it is not literally correct: Earth’s gravity is still acting. The object still has mass and still resists changes in motion; only its apparent weight is near zero.
A released object with almost no motion relative to the cabin may remain beside the astronaut. That is not because a hidden force is holding it in place. It is inertia: with no significant force on it, it continues at the same velocity while the station continues on its orbit.
#1 Best Overall
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
What happens after a push
A gentle push gives a toy a new velocity. Newton’s first law says it will continue in that direction at that speed until an external force acts. In a spacecraft, the important forces are usually a hand, a wall, another object, a tether, air currents, small mechanical vibrations or a maneuver that accelerates the station.
- At release: the toy has the position and velocity it shared with the astronaut, plus any relative motion from the release.
- After a push: its relative velocity carries it across the cabin. A harder push generally produces a larger change in velocity; the direction of the push sets the drift direction.
- At contact: a wall, net, hand or another object supplies an impulse and changes the toy’s velocity. It may rebound, rotate or stop relative to the cabin, depending on the collision.
- During a spacecraft maneuver: acceleration of the station can make a loose object move relative to the cabin even when nobody touches it.
NASA’s Newton’s First Law STEMonstration, featuring astronauts Mark Vande Hei and Jeff Williams, uses station demonstrations to show how objects behave when forces are absent or when the station is reboosted. The lesson is that “floating” does not mean motion has stopped; it means the object is sharing the spacecraft’s free-fall environment.
Balls: straight paths instead of a falling arc
On Earth, a thrown ball follows a curved path because gravity accelerates it downward while it travels forward. Inside an orbiting spacecraft, the cabin and the ball are falling together, so that familiar relative downward acceleration is absent. NASA’s International Toys in Space: Science on the Station guide reports: “Each ball traveled in a straight line with no dropping because of gravity.”
Quick wins for a faster PC:
Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Repair Windows errors before they cause bigger problemsFix Now →The straight path is relative to the cabin for the duration of the demonstration. Air drag, a push that is not perfectly centered, contact with a surface and spacecraft motion can still change it. A ball released with spin can also follow a path that combines translation with rotation.
Why a lacrosse-style net helps
NASA’s guide describes a game using soft balls and netted lacrosse sticks. The net trapped the ball, helped astronauts catch, aim and return it, and absorbed some impact energy. That design solves two microgravity problems at once: a player cannot rely on a ball dropping into a convenient position, and a hard collision could send the ball rebounding unpredictably.
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
The same guide says a hacky-sack ball was selected because it would not continue bouncing after striking a wall. This is a design rationale for that documented activity, not a guarantee that every ball is safe or easy to control in every spacecraft. Flight items must meet mission-specific safety and containment requirements.
Liquids, beads and the density wand
Gravity normally gives a container a clear “down.” Denser material settles, less-dense material rises and a bubble moves upward. In microgravity, that gravity-driven separation is greatly reduced. NASA’s guide describes a sealed wand containing water, beads, stars and an air bubble. “In space, the air, water, beads and stars mixed together in the tube.”
The contents did not permanently arrange themselves into layers by density while the wand was simply floating. Surface tension, residual motion and static electricity can still influence the particles, so “mixed” does not mean every particle is distributed perfectly uniformly at every instant.
How swinging changes the result
Astronaut Peggy Whitson swung the sealed wand in a circle. The motion created an effective acceleration: inertia carried the contents toward the outside of the circular path, while the tube supplied the inward centripetal force needed to keep the contents moving in a circle. The denser beads and stars moved toward the outside end. Shaking dispersed them again, and static effects could make some particles cling to the tube.
This is why the wand demonstrates more than density. It shows that a container’s motion can substitute for the directional acceleration that gravity normally provides. The behavior belongs to the cited sealed toy and its particular motions; it should not be generalized to every liquid container or particle mixture in orbit.
Rank #3
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
Spinning toys and angular momentum
Rotation remains meaningful in microgravity. A yo-yo, wheel or other spinning toy carries angular momentum. Once it is rotating, it tends to keep its rotational state unless a torque changes it. Gravity is not required to maintain the rotation.
NASA’s Toys in Space II: Video Resource Guide uses toys to explain inertia, momentum, angular momentum and rotational motion. A later NASA STEMonstration shows UAE astronaut Sultan Alneyadi using a yo-yo to demonstrate angular momentum aboard the station. The practical consequence is that a toy can continue spinning after release, while friction in its axle, contact with a hand or line tension gradually changes the rotation.
Translation and rotation can occur together. A toy may drift across the cabin while spinning, and a contact at one edge can change both its path and its spin. Watching a spinning toy therefore reveals motion that is easy to miss when gravity is constantly pulling objects downward on Earth.
Mass, weight and momentum are different
Microgravity makes apparent weight small, but it does not remove mass. An astronaut still needs force to accelerate a heavy object, and the amount of force required depends on the object’s mass and the desired change in velocity.
NASA’s STEMonstration on momentum and impulse describes ESA astronaut Andreas Mogensen using the Space Linear Acceleration Mass Measurement Device to measure mass through momentum. The demonstration helps separate three ideas:
Do these 3 things before closing this tab:
1Fix the driver behind crashes, sound loss and screen glitches2Clear out junk files and repair common Windows errors3Scan for outdated or missing drivers - takes under a minuteRank #4
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
- Mass: how much matter an object has and how strongly it resists acceleration.
- Weight: the force an external gravitational or supporting field exerts on the object. In orbit, apparent weight is near zero because the object and station are free-falling together.
- Momentum: mass multiplied by velocity. Changing momentum requires an impulse, supplied by a push, catch or collision.
A heavy tool can float beside a light toy, yet the heavy tool is harder to start, stop or redirect. The visual appearance does not tell you that their masses are equal.
How to compare microgravity toy demonstrations
Different toys answer different physics questions. NASA’s documented activities can be organized by the motion they reveal and the way the astronaut controls the object.
| Demonstration | Motion shown | Control or trigger | Main idea |
|---|---|---|---|
| Released or pushed toy | Straight-line drift | Hand release or push | Inertia and Newton’s first law |
| Soft ball with a netted stick | Flight, catch and rebound control | Net contact and an aimed push | Impulse, collision and practical control |
| Sealed density wand | Mixing, outward migration and redispersion | Swinging or shaking the container | Density, inertia and effective acceleration |
| Yo-yo or other spinner | Rotation during drift | Spin and torque | Angular momentum and rotational motion |
These are different demonstrations, not a ranking of which toy is “best.” The available NASA guides describe the observations and design choices, but they do not provide a controlled quantitative comparison of every toy type.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What can make a loose object move unexpectedly?
Airflow and ventilation
A cabin is not a vacuum. Ventilation creates air movement that can push a very light object, rotate a loose paper item or slow a drifting toy. The effect depends on the object’s shape, mass and orientation.
Contact and rebounds
A wall, hand, cable or another object can reverse or redirect the motion. A soft, energy-absorbing toy may settle after one contact; a rigid object can rebound repeatedly and become difficult to locate.
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
Static electricity
Static charge can attract small particles to a container wall. NASA’s density-wand description specifically notes that static effects made some particles cling to the tube.
Station acceleration
A reboost or other spacecraft maneuver changes the cabin’s motion. A loose object may then drift relative to the cabin even without a new push, because it does not instantly share every change in the station’s velocity.
Tethers and containment
Operational items are secured when losing them would create a hazard. A tether, closed container or net limits where an object can travel and makes recovery possible. Toy demonstrations use controlled setups for the same reason.
Outdated Drivers Are Slowing You Down
One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchWindows Errors? Fix Them Before They Spread
Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallCan astronauts really play catch?
Yes, but “catch” is planned differently than on Earth. A player must account for a ball’s straight-line flight, the absence of a downward arc and the possibility of a rebound. The lacrosse-style net described by NASA gives the receiver a larger target, absorbs impact and allows the ball to be returned with a deliberate motion.
The documented activity used a soft ball selected for its low-bounce behavior. It should not be read as permission to throw arbitrary objects around a spacecraft. Hard, sharp, heavy or uncontained items could damage equipment or injure a crew member.
What a classroom Earth demonstration can—and cannot—show
A sealed water-and-bead wand, soft ball or yo-yo can illustrate pieces of the same physics on Earth. Students can observe inertia, collisions, rotation and the effects of swinging a container. A “water bead density wand science toy” is one possible search description for an Earth-based activity.
None of these activities recreates orbital free fall. On Earth, gravity continues to provide a strong downward acceleration, and the container or support carries the object’s weight. A classroom demonstration can model a principle or create an effective acceleration; it cannot make the room and the object fall around Earth together.
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
Quick Recap
Common misconceptions
- “There is no gravity on the ISS.” Gravity is what keeps the station in orbit. The apparent weightlessness comes from shared free fall.
- “A released toy drops straight down.” Its initial velocity and later forces determine its path. Relative to the cabin, it may remain nearby or drift in any direction.
- “A toy stops moving after release.” It keeps its velocity until a force changes it.
- “Density no longer matters.” Gravity-driven separation is reduced, but density affects how particles respond when the container is moved, and surface tension and static charge still matter.
- “Every toy used in an educational video is flight-approved or commercially available.” NASA’s educational guides document demonstrations; they do not establish current commercial availability or universal flight approval.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
