Sign up for updates


Last updated on 21 May 2019

Please read our Terms and Conditions of Use (“Terms”) carefully because by using this website you are establishing a legally binding.

The owners of this site ("we", "us", "our") operate the website located at ("Website")

These Terms of use apply to your use of the Website.

By using the Website:

a) you agree to these Terms; and

b) where your access and use is on behalf of another person (e.g. a company), you confirm that you are authorised to, and do in fact, agree to these Terms on that person’s behalf and that, by agreeing to these Terms on that person’s behalf, that person is bound by these Terms.

If you do not agree to these Terms, you are not authorised to use the Website, and you must immediately stop doing so.


We may change these Terms at any time by updating them on the Website. Unless stated otherwise, any change takes effect immediately. You are responsible for ensuring you are familiar with the latest Terms. We may change, suspend, discontinue, or restrict access to, the Website without notice or liability.

Your Obligations

You must provide true, current and complete information in your dealings with us.

You must:

a)not act in a way, or use or introduce anything (including any virus, worm, Trojan horse, timebomb, keystroke logger, spyware or other similar feature) that in any way compromises, or may compromise, the Website or any network, system, software, data or material that underlies or is connected to the Website (“Underlying System”), or otherwise attempt to damage or interfere with the Website or any Underlying System; and

b)unless with our agreement, access the Website via standard web browsers only and not by any other method. Other methods include scraping, deep-linking, harvesting, data mining, use of a robot or spider, automation, or any similar data gathering, extraction or monitoring method

You indemnify us against all loss of profits, savings, revenue or data, and any other claim, damage, loss, liability and cost, including legal costs on a solicitor (“Loss”), we suffer or incur as a direct or indirect result of your failure to comply with these Terms

Use of Icons

All images files in PNG format that are offered for download from the website ("Icons") are free of charge.

Giving credit to the Icons is not required to:

students, educators, and researchers for use in classroom and lab activities, and to be included in scientific journals, posters, oral presentations, thesis, projects, books and other academic and scientific document, both in paper and digital format. However, it will be appreciated mention the source.

For all other uses of the icons not mentioned above you have to give credit to

You must not make any of the Icons available for download on any website, software application or similar service.


The content of the Website is provided "as is", without guarantees of any kind.

To the extent permitted by law, we have no liability or responsibility to you or any other person for any Loss in connection with:

a)the Website being unavailable (in whole or in part) or performing slowly;

b)any error, mistakes, omission or inaccuracies of content and materials available through the Website;

c)any exposure to viruses or other forms of interference which may damage your computer system or expose you to fraud when you access or use the Website. To avoid doubt, you are responsible for ensuring the process by which you access and use the Website protects you from this; and

d)any site linked from the Website. Any link on the Website to other sites does not imply any endorsement, approval or recommendation of, or responsibility for, those sites or their contents, operations, products or operators.

We make no representation or warranty that the Website is appropriate or available for use in all countries or that the content satisfies the laws of all countries. You are responsible for ensuring that your access to and use of the Website is not illegal or prohibited, and for your own compliance with applicable local laws.

Intellectual property

We own all intellectual property rights in the Website (including without limitation icons, images graphics, buttons, data bases, logos, design, source code etc.

With the exception of expressly allowed in these Terms of Use, it is forbidden reproduce, distribute, publishing any Website content in any media, producing any derivative works of any website material, or any of its parts, without obtaining prior written consent from us. You acknowledge that you do not acquire any ownership rights by downloading or printing Website Content.

Selling, sublicensing, and/or exploiting any website material, or any of its parts, is strictly prohibited.


If we need to contact you, we may do so by email or by posting a notice on the Website. You agree that this satisfies all legal requirements in relation to written communications.

If any part or provision of these Terms is or becomes illegal, unenforceable, or invalid, that part or provision is deemed to be modified to the extent required to remedy the illegality, unenforceability or invalidity.

If a modification is not possible, the part or provision must be treated for all purposes as severed from these Terms. The remainder of these Terms will be binding on you.

These Terms set out everything agreed by the parties relating to your use of the Website and supersede and cancel anything discussed, exchanged or agreed prior to you agreeing to these Terms. The parties have not relied on any representation, warranty or agreement relating to the Website that is not expressly set out in the Terms, and no such representation, warranty or agreement has any effect from the date you agreed to these Terms.