This Term and Conditions (“Terms”) apply when you visit or use our website, service, mobile application, or other content (Collectively, the “Site”) provided by Physics Notebook (“we”, “us” or “our”) that link or refer to these Terms.

Please read our Terms carefully before you start to use the Site. By using the Site, you accept and agree to be bounded and abide by these Terms and our Privacy Policy, found at https://physicsnotebook.com/privacy-policy/. If you do not want to agree to these Terms or the Privacy Policy, you must not access or use the site.

Future Changes to These Terms

We may modify these Terms at any time, at our sole discretion, and encourage you to review them regularly. Any amendments will take effect immediately upon posting on this Site, unless otherwise specified, and will apply to all future access and use of the Site. By using the Site following any updates to these Terms, you consent to the updated Terms.

Accessing the Site

We reserve the right to modify, withdraw, or discontinue this Site, and any services or materials provided on it, at our sole discretion without notice. We are not liable if any part or the entirety of the Site becomes unavailable at any time or for any duration. Periodically, we may restrict access to portions of the Site, or the entire Site, for users, including registered users.

Copyright and Intellectual Property

All content on this Site—including text, graphics, logos, icons, images, audio clips, videos, digital downloads, data compilations, and software—is owned by us or our content providers and is protected under United States and international copyright, trademark, patent, trade secret, and other intellectual property laws (“IP Laws”). The compilation of all content on this Site is our exclusive property, unless otherwise indicated, and is similarly protected by IP Laws. All software on this Site is owned by us or our software suppliers and is also protected by IP Laws.

These Terms grant you a personal, non-commercial, limited license to use the Site. You may not reproduce, distribute, modify, create derivative works, publicly display, perform, republish, download, store, or transmit any material on our Site, except as permitted by law.

You may not use any part of the Site, including services or materials available through the Site, for commercial purposes without our express written consent. If you print, copy, modify, download, or otherwise make available any part of the Site to others in violation of these Terms, your right to use the Site will terminate immediately, and you may be required to return or destroy any copies of the materials made. No right, title, or interest in the Site or its content is transferred to you, and we retain all rights not expressly granted. Any unauthorized use of the Site is a violation of these Terms and may breach United States and international IP Laws.

User-Posted Content

“Content” refers to any information or material (such as text, images, video, and audio) submitted or posted by users to the public areas of the Site. Any Content you post will be considered non-confidential and non-proprietary. By submitting Content, and in accordance with our Privacy Policy, you grant us a worldwide, non-exclusive, royalty-free license to store, host, reproduce, create derivative works of, publish, publicly perform, display, use, and distribute such Content. This license includes the right to sub-license these rights and to take legal action in case of infringement. All intellectual property rights are reserved. This license only applies to Content you publicly post on the Site and does not extend to personally identifiable information you provide when, for example, creating an account or signing up for an event. Such information is used and protected as per our Privacy Policy.

You acknowledge that you are responsible for any Content you post, including its legality, reliability, accuracy, and appropriateness. We are not responsible or liable to any third party for any Content you or other users post or for the accuracy of such Content.

Discussion Policy for User-Posted Content

Our digital community is a space for the respectful sharing of ideas and content. We welcome your contributions to the conversation and ask that you follow these guidelines in all interactions.

While we generally do not pre-screen or monitor user-submitted Content, we reserve the right (but assume no obligation) to monitor, refuse, or remove any Content on the Site. Content posted by users reflects their views and opinions, not ours.

By posting any Content, you agree to follow these guidelines as well as all other Terms. We may use your Content to promote our work, as described herein. We may also remove Content and/or block users from our pages if we determine, at our sole discretion, that the Content is inconsistent with or detrimental to our community’s purpose, including but not limited to:

• Content that is profane, obscene, vulgar, defamatory, abusive, threatening, false, misleading, offensive, derogatory, discriminatory (including comments on gender, age, race, sexual orientation, political or religious affiliation), or otherwise inappropriate;
• Spam or unsolicited advertisements;
• Use of names or photographs of individuals without permission, or Content that invades confidentiality or privacy interests;
• Promotion or solicitation of products, services, or funds, or advocacy for personal causes;
• Content that invades privacy, violates data protection principles or legislation, constitutes malicious falsehood, seditious libel, contempt of court, or incitement of violence, hatred, sadism, cruelty, or unlawful acts;
• Impersonation of any person, whether a public figure, a Site staff member, moderator, administrator, or other Site visitor;
• Content that infringes on copyright or any other intellectual property rights; and
• Any other Content that we consider, at our sole discretion, to violate the spirit or letter of these guidelines or any other provisions of these Terms.

By posting Content, you further acknowledge that:

• We are not responsible for its accuracy, appropriateness, or quality;
• You bear all risks related to the Content you post, including potential legal claims regarding intellectual property or other matters;
• We have no liability for any Content or any consequences of its inclusion or omission on the Site, and any Content posted by users does not imply our endorsement or approval; and
• You have no recourse if we, at our sole discretion, decide to post, refuse to post, delete, or retain any Content submitted by users.

Privacy and Protection of Personal Information

Please refer to our Privacy Policy, which explains how we manage and protect personal information. This Privacy Policy is incorporated into these Terms.

Links from This Website

Our Site may contain hyperlinks to third-party websites for your reference and convenience. We do not make any representation, warranty, or endorsement—express or implied—regarding the information, services, products, or messages found on any external websites. Links to other websites are provided solely as a reference and do not signify an endorsement of the organization or individual operating those websites. We have no control over the content of these external sites and accept no responsibility for any loss or damage arising from your use of them. Accessing any third-party website through a link on our Site is at your own risk and subject to the terms and conditions of those external sites.

Linking from Other Websites

With our permission, third-party website owners may link to this Site, provided that: (a) the link is clearly marked with credit to us; (b) the link and its placement do not harm or dilute the goodwill associated with our name and trademarks; (c) the link does not imply an affiliation or sponsorship by us that does not exist; and (d) the link displays our website in full-screen without any “frame” on the linking website. We reserve the right to withdraw permission to link to our Site at any time and for any reason, and the website owner must remove the link upon our request. If these Terms conflict with any separate agreement you have with us regarding linking or content syndication, the terms of that separate agreement will apply.

Prohibited Uses

As a condition of using the Site, you agree not to use it for any unlawful purpose or in violation of these Terms. Prohibited uses include, but are not limited to:

• Using the Site in any way that could damage, overload, or impair the Site or its availability, including through denial-of-service attacks or similar actions;
• Using the Site for any unlawful, fraudulent, or harmful purpose or in connection with any such activity (including violations of data or software export laws);
• Using the Site to exploit, harm, or attempt to harm minors in any way, including exposing them to inappropriate content or requesting their personal information;
• Attempting to gain unauthorized access to the Site, other accounts, computers, or networks related to the Site or its users, including through unauthorized use of another person’s login credentials;
• Using the Site to host, transmit, or distribute any material containing malicious software;
• Copying, modifying, distributing, selling, or leasing any part of the Site or its content or software, or attempting to reverse-engineer or extract the Site’s source code;
• Engaging in systematic or automated data collection activities (such as scraping, data mining, or data harvesting) in connection with our Site;
• Using the Site to send spam, surveys, or any unsolicited commercial communications;
• Using the Site for marketing, research, or other commercial or organizational purposes without our prior written consent;
• Engaging in any conduct that restricts or inhibits others’ use or enjoyment of the Site, or that may, as determined by us, harm our organization or users or expose them to liability; and
• Respecting the confidentiality and trust of others in any community discussion areas or in other user-submitted Content on the Site.

No Warranties

We do not provide any express or implied warranties, representations, or endorsements (including, but not limited to, warranties of title, non-infringement, merchantability, or fitness for a particular purpose) regarding the Site, its content, or any merchandise or services provided through the Site or on the internet generally. We shall not be liable for any costs or damages resulting directly or indirectly from any such transaction. It is your responsibility to evaluate the reliability, accuracy, timeliness, completeness, and usefulness of all content and services provided on the Site or available on the internet. We do not warrant that the Site will be uninterrupted, error-free, or that defects will be corrected. The Site and all content made available on it are provided “as is” and “as available.” To the fullest extent permitted by law, we disclaim all warranties.

You assume total responsibility and risk for your use of the Site and the internet. You understand and agree that any uploads or transmissions you make may be intercepted and used by an unauthorized third party, and you accept that all risk associated with such activities is solely yours.

We cannot and do not guarantee that files available for download from the Site or the internet will be free of viruses or other harmful code. You are responsible for implementing adequate procedures and checkpoints to satisfy your specific requirements for anti-virus protection and the accuracy of data inputs and outputs. You are also responsible for maintaining an external method for reconstructing any lost data. To the fullest extent provided by law, we are not liable for any loss or damage caused by distributed denial-of-service attacks, viruses, or other technologically harmful material that may infect your computer equipment, programs, data, or other proprietary materials due to your use of the Site, any services or items obtained through the Site, or your downloading of any material posted on it or on any website linked to it.

We accept no liability for any unavailability of the Site or for any loss of data or transactions due to planned or unplanned system outages, delays, or non-delivery of information, or any third-party actions, or other outages of web host providers or the broader internet infrastructure beyond the Site.

Limitation of Liability

Under no circumstances shall we or any party involved in the creation, production, or distribution of the Site be liable for any direct, indirect, incidental, special, punitive, or consequential damages, including but not limited to, loss of profits, goodwill, use, data, or other intangible losses. These exclusions apply whether the damages arise from tort (including negligence), breach of contract, or otherwise (even if foreseeable and even if we have been advised of the possibility of such damages). This includes damages resulting from (i) the use or inability to use the Site; (ii) the cost of substitute merchandise or services resulting from any products, data, content, or services purchased or obtained through the Site; (iii) unauthorized access to, alteration of, or use or disclosure of your transmissions or data; (iv) statements or conduct of any third party on the Site; or (v) any other matter related to the Site.

By using the Site, you acknowledge that this limitation applies to all content, merchandise, and services available through the Site. Some jurisdictions do not allow limitations on certain damages; in those jurisdictions, liability is limited to the fullest extent permitted by law. Your sole remedy for dissatisfaction with the Site or its content is to discontinue use of the Site. This limitation of liability is a fundamental part of the agreement between you and us.

Indemnification for User Violations

You agree to indemnify, defend, and hold us and our officers, directors, employees, contractors, agents, licensors, suppliers, successors, and assigns harmless from and against any claims, actions, liabilities, losses, and expenses (including attorney’s fees) arising from (i) your use, misuse, or abuse of the Site, or (ii) your violation of these Terms. You agree to cooperate fully in our defense of any such claim. We reserve the right, at our own expense, to assume exclusive defense and control of any matter subject to indemnification by you, and you shall not settle any matter without our prior written consent.

Violation of These Terms

You agree that we may, at our sole discretion and without prior notice, terminate your access to the Site if you violate these Terms or for any other reason. We reserve the right to disclose any information about you, including your identity, if we determine that such disclosure is necessary in connection with any investigation or complaint regarding your use of the Site or to identify, contact, or bring legal action against you or others who may be infringing on our rights, property, or the rights of other users of the Site.